30914889 has 8 divisors (see below), whose sum is σ = 41393280. Its totient is φ = 20523216.

The previous prime is 30914837. The next prime is 30914909. The reversal of 30914889 is 98841903.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30914889 - 2¹¹ = 30912841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30914889.

It is not an unprimeable number, because it can be changed into a prime (30914809) 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, 20842 + ... + 22275.

It is an arithmetic number, because the mean of its divisors is an integer number (5174160).

Almost surely, 2^30914889 is an apocalyptic number.

It is an amenable number.

30914889 is a deficient number, since it is larger than the sum of its proper divisors (10478391).

30914889 is a wasteful number, since it uses less digits than its factorization.

30914889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43359.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 30914889 is about 5560.1159160579. The cubic root of 30914889 is about 313.8503113590.

The spelling of 30914889 in words is "thirty million, nine hundred fourteen thousand, eight hundred eighty-nine".