30900258 has 32 divisors (see below), whose sum is σ = 68886720. Its totient is φ = 10267200.

The previous prime is 30900257. The next prime is 30900277. The reversal of 30900258 is 85200903.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (30900257) 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, 20941 + ... + 22367.

It is an arithmetic number, because the mean of its divisors is an integer number (2152710).

Almost surely, 2^30900258 is an apocalyptic number.

30900258 is an abundant number, since it is smaller than the sum of its proper divisors (37986462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30900258 is a wasteful number, since it uses less digits than its factorization.

30900258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1839 (or 1833 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 30900258 is about 5558.8000503706. The cubic root of 30900258 is about 313.8007918702.

The spelling of 30900258 in words is "thirty million, nine hundred thousand, two hundred fifty-eight".