8418957 has 16 divisors (see below), whose sum is σ = 11919360. Its totient is φ = 5270832.

The previous prime is 8418941. The next prime is 8418979. The reversal of 8418957 is 7598148.

It is not a de Polignac number, because 8418957 - 2⁴ = 8418941 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8418937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6658 + ... + 7820.

It is an arithmetic number, because the mean of its divisors is an integer number (744960).

Almost surely, 2^8418957 is an apocalyptic number.

It is an amenable number.

8418957 is a deficient number, since it is larger than the sum of its proper divisors (3500403).

8418957 is a wasteful number, since it uses less digits than its factorization.

8418957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312.

The product of its digits is 80640, while the sum is 42.

The square root of 8418957 is about 2901.5438993750. The cubic root of 8418957 is about 203.4320757235.

The spelling of 8418957 in words is "eight million, four hundred eighteen thousand, nine hundred fifty-seven".