5664986 has 8 divisors (see below), whose sum is σ = 8513940. Its totient is φ = 2827008.

The previous prime is 5664979. The next prime is 5664991. The reversal of 5664986 is 6894665.

It can be written as a sum of positive squares in 2 ways, for example, as 3308761 + 2356225 = 1819^2 + 1535^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1301 + ... + 3608.

Almost surely, 2^5664986 is an apocalyptic number.

5664986 is a deficient number, since it is larger than the sum of its proper divisors (2848954).

5664986 is a wasteful number, since it uses less digits than its factorization.

5664986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5488.

The product of its digits is 311040, while the sum is 44.

The square root of 5664986 is about 2380.1231060599. The cubic root of 5664986 is about 178.2650807806.

The spelling of 5664986 in words is "five million, six hundred sixty-four thousand, nine hundred eighty-six".