864674 has 4 divisors (see below), whose sum is σ = 1297014. Its totient is φ = 432336.

The previous prime is 864673. The next prime is 864679. The reversal of 864674 is 476468.

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

It can be written as a sum of positive squares in only one way, i.e., 822649 + 42025 = 907^2 + 205^2 .

It is a super-2 number, since 2×864674² = 1495322252552, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 864674.

It is not an unprimeable number, because it can be changed into a prime (864673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216167 + ... + 216170.

2⁸⁶⁴⁶⁷⁴ is an apocalyptic number.

864674 is a deficient number, since it is larger than the sum of its proper divisors (432340).

864674 is a wasteful number, since it uses less digits than its factorization.

864674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432339.

The product of its digits is 32256, while the sum is 35.

The square root of 864674 is about 929.8784866852. The cubic root of 864674 is about 95.2688230769.

The spelling of 864674 in words is "eight hundred sixty-four thousand, six hundred seventy-four".