30486879 has 12 divisors (see below), whose sum is σ = 44974176. Its totient is φ = 19891872.

The previous prime is 30486877. The next prime is 30486881. The reversal of 30486879 is 97868403.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30486877) and next prime (30486881).

It is not a de Polignac number, because 30486879 - 2¹ = 30486877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30486877) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35614 + ... + 36459.

It is an arithmetic number, because the mean of its divisors is an integer number (3747848).

Almost surely, 2^30486879 is an apocalyptic number.

30486879 is a deficient number, since it is larger than the sum of its proper divisors (14487297).

30486879 is a wasteful number, since it uses less digits than its factorization.

30486879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72126 (or 72123 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 30486879 is about 5521.4924612825. The cubic root of 30486879 is about 312.3951784971.

The spelling of 30486879 in words is "thirty million, four hundred eighty-six thousand, eight hundred seventy-nine".