8340456 has 16 divisors (see below), whose sum is σ = 20851200. Its totient is φ = 2780144.

The previous prime is 8340443. The next prime is 8340473. The reversal of 8340456 is 6540438.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173736 + ... + 173783.

It is an arithmetic number, because the mean of its divisors is an integer number (1303200).

Almost surely, 2^8340456 is an apocalyptic number.

It is an amenable number.

8340456 is an abundant number, since it is smaller than the sum of its proper divisors (12510744).

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

8340456 is a wasteful number, since it uses less digits than its factorization.

8340456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347528 (or 347524 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 8340456 is about 2887.9847645027. The cubic root of 8340456 is about 202.7978120667.

The spelling of 8340456 in words is "eight million, three hundred forty thousand, four hundred fifty-six".