30900850 has 24 divisors (see below), whose sum is σ = 58210560. Its totient is φ = 12202320.

The previous prime is 30900841. The next prime is 30900853. The reversal of 30900850 is 5800903.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (30900853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39 + ... + 7861.

It is an arithmetic number, because the mean of its divisors is an integer number (2425440).

Almost surely, 2^30900850 is an apocalyptic number.

30900850 is a deficient number, since it is larger than the sum of its proper divisors (27309710).

30900850 is a wasteful number, since it uses less digits than its factorization.

30900850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7914 (or 7909 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 30900850 is about 5558.8532990177. The cubic root of 30900850 is about 313.8027958327.

The spelling of 30900850 in words is "thirty million, nine hundred thousand, eight hundred fifty".