1397095950 has 96 divisors (see below), whose sum is σ = 3586020480. Its totient is φ = 359683200.

The previous prime is 1397095943. The next prime is 1397095957. The reversal of 1397095950 is 595907931.

It is an interprime number because it is at equal distance from previous prime (1397095943) and next prime (1397095957).

It is a self number, because there is not a number n which added to its sum of digits gives 1397095950.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1397095957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 770545 + ... + 772355.

It is an arithmetic number, because the mean of its divisors is an integer number (37354380).

Almost surely, 2^1397095950 is an apocalyptic number.

1397095950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1397095950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1793010240).

1397095950 is an abundant number, since it is smaller than the sum of its proper divisors (2188924530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1397095950 is a wasteful number, since it uses less digits than its factorization.

1397095950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002 (or 1997 counting only the distinct ones).

The product of its (nonzero) digits is 382725, while the sum is 48.

The square root of 1397095950 is about 37377.7467218130. The cubic root of 1397095950 is about 1117.9148998155.

The spelling of 1397095950 in words is "one billion, three hundred ninety-seven million, ninety-five thousand, nine hundred fifty".