30738885 has 16 divisors (see below), whose sum is σ = 49277184. Its totient is φ = 16362432.

The previous prime is 30738881. The next prime is 30738901. The reversal of 30738885 is 58883703.

It is not a de Polignac number, because 30738885 - 2² = 30738881 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30738881) 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, 7524 + ... + 10866.

It is an arithmetic number, because the mean of its divisors is an integer number (3079824).

Almost surely, 2^30738885 is an apocalyptic number.

It is an amenable number.

30738885 is a deficient number, since it is larger than the sum of its proper divisors (18538299).

30738885 is a wasteful number, since it uses less digits than its factorization.

30738885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3964.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 30738885 is about 5544.2659568242. The cubic root of 30738885 is about 313.2535754695.

The spelling of 30738885 in words is "thirty million, seven hundred thirty-eight thousand, eight hundred eighty-five".