1397415950 has 48 divisors (see below), whose sum is σ = 3001203744. Its totient is φ = 474163200.

The previous prime is 1397415941. The next prime is 1397415979. The reversal of 1397415950 is 595147931.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13370 + ... + 54530.

It is an arithmetic number, because the mean of its divisors is an integer number (62525078).

Almost surely, 2^1397415950 is an apocalyptic number.

1397415950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1397415950 is an abundant number, since it is smaller than the sum of its proper divisors (1603787794).

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

1397415950 is a wasteful number, since it uses less digits than its factorization.

1397415950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41277 (or 41272 counting only the distinct ones).

The product of its (nonzero) digits is 170100, while the sum is 44.

The square root of 1397415950 is about 37382.0270985938. The cubic root of 1397415950 is about 1118.0002448148. Note that the first 3 decimals are identical.

The spelling of 1397415950 in words is "one billion, three hundred ninety-seven million, four hundred fifteen thousand, nine hundred fifty".