8240456 has 16 divisors (see below), whose sum is σ = 17658240. Its totient is φ = 3531600.

The previous prime is 8240447. The next prime is 8240483. The reversal of 8240456 is 6540428.

It is a super-4 number, since 4×8240456⁴ (a number of 29 digits) contains 4444 as substring.

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, 73520 + ... + 73631.

It is an arithmetic number, because the mean of its divisors is an integer number (1103640).

Almost surely, 2^8240456 is an apocalyptic number.

It is an amenable number.

8240456 is an abundant number, since it is smaller than the sum of its proper divisors (9417784).

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

8240456 is a wasteful number, since it uses less digits than its factorization.

8240456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147164 (or 147160 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 8240456 is about 2870.6194453462. The cubic root of 8240456 is about 201.9840525920.

The spelling of 8240456 in words is "eight million, two hundred forty thousand, four hundred fifty-six".