30028916 has 24 divisors (see below), whose sum is σ = 53464320. Its totient is φ = 14756000.

The previous prime is 30028913. The next prime is 30028937. The reversal of 30028916 is 61982003.

It is a super-2 number, since 2×30028916² = 1803471592270112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30028913) 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, 96401 + ... + 96711.

It is an arithmetic number, because the mean of its divisors is an integer number (2227680).

Almost surely, 2^30028916 is an apocalyptic number.

It is an amenable number.

30028916 is a deficient number, since it is larger than the sum of its proper divisors (23435404).

30028916 is a wasteful number, since it uses less digits than its factorization.

30028916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655 (or 653 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 30028916 is about 5479.8645968673. The cubic root of 30028916 is about 310.8230504656.

The spelling of 30028916 in words is "thirty million, twenty-eight thousand, nine hundred sixteen".