8340920 has 32 divisors (see below), whose sum is σ = 21448800. Its totient is φ = 2859648.

The previous prime is 8340911. The next prime is 8340961. The reversal of 8340920 is 290438.

It is a self number, because there is not a number n which added to its sum of digits gives 8340920.

It is a congruent number.

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, 14615 + ... + 15174.

It is an arithmetic number, because the mean of its divisors is an integer number (670275).

Almost surely, 2^8340920 is an apocalyptic number.

It is an amenable number.

8340920 is an abundant number, since it is smaller than the sum of its proper divisors (13107880).

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

8340920 is a wasteful number, since it uses less digits than its factorization.

8340920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29807 (or 29803 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 8340920 is about 2888.0650962193. The cubic root of 8340920 is about 202.8015727100.

The spelling of 8340920 in words is "eight million, three hundred forty thousand, nine hundred twenty".