8164690 has 8 divisors (see below), whose sum is σ = 14696460. Its totient is φ = 3265872.

The previous prime is 8164669. The next prime is 8164691. The reversal of 8164690 is 964618.

It can be written as a sum of positive squares in 2 ways, for example, as 6765201 + 1399489 = 2601^2 + 1183^2 .

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

It is a super-2 number, since 2×8164690² = 133324325592200, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (8164691) 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, 408225 + ... + 408244.

Almost surely, 2^8164690 is an apocalyptic number.

8164690 is a deficient number, since it is larger than the sum of its proper divisors (6531770).

8164690 is a wasteful number, since it uses less digits than its factorization.

8164690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816476.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 8164690 is about 2857.3921676942. The cubic root of 8164690 is about 201.3631052806.

The spelling of 8164690 in words is "eight million, one hundred sixty-four thousand, six hundred ninety".