3698272256 has 144 divisors (see below), whose sum is σ = 8697042900. Its totient is φ = 1567555584.

The previous prime is 3698272223. The next prime is 3698272261. The reversal of 3698272256 is 6522728963.

It can be written as a sum of positive squares in 2 ways, for example, as 3523609600 + 174662656 = 59360^2 + 13216^2 .

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 11 ways as a sum of consecutive naturals, for example, 13748090 + ... + 13748358.

Almost surely, 2^3698272256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3698272256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4348521450).

3698272256 is an abundant number, since it is smaller than the sum of its proper divisors (4998770644).

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

3698272256 is a wasteful number, since it uses less digits than its factorization.

3698272256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442 (or 415 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 50.

The square root of 3698272256 is about 60813.4216764688. The cubic root of 3698272256 is about 1546.4395914487.

The spelling of 3698272256 in words is "three billion, six hundred ninety-eight million, two hundred seventy-two thousand, two hundred fifty-six".