1398079272 has 16 divisors (see below), whose sum is σ = 3495198240. Its totient is φ = 466026416.

The previous prime is 1398079271. The next prime is 1398079273. The reversal of 1398079272 is 2729708931.

It is an interprime number because it is at equal distance from previous prime (1398079271) and next prime (1398079273).

It is not an unprimeable number, because it can be changed into a prime (1398079271) 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 3 ways as a sum of consecutive naturals, for example, 29126628 + ... + 29126675.

It is an arithmetic number, because the mean of its divisors is an integer number (218449890).

Almost surely, 2^1398079272 is an apocalyptic number.

1398079272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1398079272 is an abundant number, since it is smaller than the sum of its proper divisors (2097118968).

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

1398079272 is a wasteful number, since it uses less digits than its factorization.

1398079272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58253312 (or 58253308 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 48.

The square root of 1398079272 is about 37390.8982507776. The cubic root of 1398079272 is about 1118.1771133771.

The spelling of 1398079272 in words is "one billion, three hundred ninety-eight million, seventy-nine thousand, two hundred seventy-two".