351087728 has 20 divisors (see below), whose sum is σ = 682297848. Its totient is φ = 175010880.

The previous prime is 351087727. The next prime is 351087731. The reversal of 351087728 is 827780153.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351087721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27851 + ... + 38442.

Almost surely, 2^351087728 is an apocalyptic number.

It is an amenable number.

351087728 is a deficient number, since it is larger than the sum of its proper divisors (331210120).

351087728 is a wasteful number, since it uses less digits than its factorization.

351087728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66632 (or 66626 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 41.

The square root of 351087728 is about 18737.3351360326. The cubic root of 351087728 is about 705.4591700502.

The spelling of 351087728 in words is "three hundred fifty-one million, eighty-seven thousand, seven hundred twenty-eight".