30920826 has 32 divisors (see below), whose sum is σ = 65576448. Its totient is φ = 9702720.

The previous prime is 30920803. The next prime is 30920831. The reversal of 30920826 is 62802903.

It is a junction number, because it is equal to n+sod(n) for n = 30920793 and 30920802.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4636 + ... + 9128.

It is an arithmetic number, because the mean of its divisors is an integer number (2049264).

Almost surely, 2^30920826 is an apocalyptic number.

30920826 is an abundant number, since it is smaller than the sum of its proper divisors (34655622).

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

30920826 is a wasteful number, since it uses less digits than its factorization.

30920826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4566.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 30920826 is about 5560.6497821747. The cubic root of 30920826 is about 313.8704010320.

The spelling of 30920826 in words is "thirty million, nine hundred twenty thousand, eight hundred twenty-six".