30028995 has 16 divisors (see below), whose sum is σ = 53385120. Its totient is φ = 16015392.

The previous prime is 30028979. The next prime is 30029009. The reversal of 30028995 is 59982003.

It is not a de Polignac number, because 30028995 - 2⁴ = 30028979 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111084 + ... + 111353.

It is an arithmetic number, because the mean of its divisors is an integer number (3336570).

Almost surely, 2^30028995 is an apocalyptic number.

30028995 is a deficient number, since it is larger than the sum of its proper divisors (23356125).

30028995 is a wasteful number, since it uses less digits than its factorization.

30028995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222451 (or 222445 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 30028995 is about 5479.8718050699. The cubic root of 30028995 is about 310.8233230362.

The spelling of 30028995 in words is "thirty million, twenty-eight thousand, nine hundred ninety-five".