352628978 has 24 divisors (see below), whose sum is σ = 574502148. Its totient is φ = 162257472.

The previous prime is 352628971. The next prime is 352628993. The reversal of 352628978 is 879826253.

352628978 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 93644329 + 258984649 = 9677^2 + 16093^2 .

It is a super-2 number, since 2×352628978² = 248694392250648968, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (352628971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124676 + ... + 127472.

Almost surely, 2^352628978 is an apocalyptic number.

352628978 is a deficient number, since it is larger than the sum of its proper divisors (221873170).

352628978 is a wasteful number, since it uses less digits than its factorization.

352628978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3198 (or 3185 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 50.

The square root of 352628978 is about 18778.4178779790. The cubic root of 352628978 is about 706.4899682316.

The spelling of 352628978 in words is "three hundred fifty-two million, six hundred twenty-eight thousand, nine hundred seventy-eight".