8457426 has 16 divisors (see below), whose sum is σ = 18794400. Its totient is φ = 2819124.

The previous prime is 8457401. The next prime is 8457443. The reversal of 8457426 is 6247548.

8457426 is a `hidden beast` number, since 84 + 574 + 2 + 6 = 666.

It is a d-powerful number, because it can be written as 8 + 4³ + 5⁵ + 7² + 4⁸ + 2²³ + 6² .

It is a Curzon 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, 78256 + ... + 78363.

It is an arithmetic number, because the mean of its divisors is an integer number (1174650).

Almost surely, 2^8457426 is an apocalyptic number.

8457426 is an abundant number, since it is smaller than the sum of its proper divisors (10336974).

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

8457426 is a wasteful number, since it uses less digits than its factorization.

8457426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156630 (or 156624 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 8457426 is about 2908.1654010733. The cubic root of 8457426 is about 203.7414544699.

The spelling of 8457426 in words is "eight million, four hundred fifty-seven thousand, four hundred twenty-six".