368256728 has 16 divisors (see below), whose sum is σ = 789121680. Its totient is φ = 157824288.

The previous prime is 368256709. The next prime is 368256767. The reversal of 368256728 is 827652863.

It is a happy number.

It is a super-2 number, since 2×368256728² = 271226035434531968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3287951 + ... + 3288062.

It is an arithmetic number, because the mean of its divisors is an integer number (49320105).

Almost surely, 2^368256728 is an apocalyptic number.

It is an amenable number.

368256728 is an abundant number, since it is smaller than the sum of its proper divisors (420864952).

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

368256728 is a wasteful number, since it uses less digits than its factorization.

368256728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6576026 (or 6576022 counting only the distinct ones).

The product of its digits is 967680, while the sum is 47.

The square root of 368256728 is about 19190.0163626819. The cubic root of 368256728 is about 716.7761783494.

The spelling of 368256728 in words is "three hundred sixty-eight million, two hundred fifty-six thousand, seven hundred twenty-eight".