30790893 has 16 divisors (see below), whose sum is σ = 49680000. Its totient is φ = 16559616.

The previous prime is 30790891. The next prime is 30790897. The reversal of 30790893 is 39809703.

It is a happy number.

It is not a de Polignac number, because 30790893 - 2¹ = 30790891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30790891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42768 + ... + 43481.

It is an arithmetic number, because the mean of its divisors is an integer number (3105000).

Almost surely, 2^30790893 is an apocalyptic number.

It is an amenable number.

30790893 is a deficient number, since it is larger than the sum of its proper divisors (18889107).

30790893 is a wasteful number, since it uses less digits than its factorization.

30790893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86276.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 30790893 is about 5548.9542257979. The cubic root of 30790893 is about 313.4301434924.

The spelling of 30790893 in words is "thirty million, seven hundred ninety thousand, eight hundred ninety-three".