8090657 has 4 divisors (see below), whose sum is σ = 8566596. Its totient is φ = 7614720.

The previous prime is 8090651. The next prime is 8090671. The reversal of 8090657 is 7560908.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5271616 + 2819041 = 2296^2 + 1679^2 .

It is a cyclic number.

It is not a de Polignac number, because 8090657 - 2²⁰ = 7042081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8090651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237944 + ... + 237977.

It is an arithmetic number, because the mean of its divisors is an integer number (2141649).

Almost surely, 2^8090657 is an apocalyptic number.

It is an amenable number.

8090657 is a deficient number, since it is larger than the sum of its proper divisors (475939).

8090657 is a wasteful number, since it uses less digits than its factorization.

8090657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475938.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 8090657 is about 2844.4080227703. The cubic root of 8090657 is about 200.7526391189.

The spelling of 8090657 in words is "eight million, ninety thousand, six hundred fifty-seven".