8690457 has 8 divisors (see below), whose sum is σ = 11643040. Its totient is φ = 5765760.

The previous prime is 8690453. The next prime is 8690477. The reversal of 8690457 is 7540968.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8690457 - 2² = 8690453 is a prime.

It is a Duffinian number.

8690457 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8690453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6232 + ... + 7497.

It is an arithmetic number, because the mean of its divisors is an integer number (1455380).

Almost surely, 2^8690457 is an apocalyptic number.

It is an amenable number.

8690457 is a deficient number, since it is larger than the sum of its proper divisors (2952583).

8690457 is a wasteful number, since it uses less digits than its factorization.

8690457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13943.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 8690457 is about 2947.9581068937. The cubic root of 8690457 is about 205.5957841672.

The spelling of 8690457 in words is "eight million, six hundred ninety thousand, four hundred fifty-seven".