30889948 has 24 divisors (see below), whose sum is σ = 55596800. Its totient is φ = 15011568.

The previous prime is 30889939. The next prime is 30889987. The reversal of 30889948 is 84998803.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20443 + ... + 21901.

Almost surely, 2^30889948 is an apocalyptic number.

It is an amenable number.

30889948 is a deficient number, since it is larger than the sum of its proper divisors (24706852).

30889948 is a wasteful number, since it uses less digits than its factorization.

30889948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1609 (or 1607 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 49.

The square root of 30889948 is about 5557.8726145891. The cubic root of 30889948 is about 313.7658876734.

The spelling of 30889948 in words is "thirty million, eight hundred eighty-nine thousand, nine hundred forty-eight".