8426920 has 32 divisors (see below), whose sum is σ = 19077120. Its totient is φ = 3350080.

The previous prime is 8426903. The next prime is 8426939. The reversal of 8426920 is 296248.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7089 + ... + 8191.

It is an arithmetic number, because the mean of its divisors is an integer number (596160).

Almost surely, 2^8426920 is an apocalyptic number.

It is an amenable number.

8426920 is an abundant number, since it is smaller than the sum of its proper divisors (10650200).

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

8426920 is a wasteful number, since it uses less digits than its factorization.

8426920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305 (or 1301 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 8426920 is about 2902.9157755608. The cubic root of 8426920 is about 203.4961936879.

The spelling of 8426920 in words is "eight million, four hundred twenty-six thousand, nine hundred twenty".