30628994 has 16 divisors (see below), whose sum is σ = 50686560. Its totient is φ = 13764960.

The previous prime is 30628993. The next prime is 30628999. The reversal of 30628994 is 49982603.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (30628993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5864 + ... + 9779.

It is an arithmetic number, because the mean of its divisors is an integer number (3167910).

Almost surely, 2^30628994 is an apocalyptic number.

30628994 is a deficient number, since it is larger than the sum of its proper divisors (20057566).

30628994 is a wasteful number, since it uses less digits than its factorization.

30628994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15745.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 30628994 is about 5534.3467545863. The cubic root of 30628994 is about 312.8798376477.

The spelling of 30628994 in words is "thirty million, six hundred twenty-eight thousand, nine hundred ninety-four".