5645986 has 8 divisors (see below), whose sum is σ = 8666064. Its totient is φ = 2757300.

The previous prime is 5645957. The next prime is 5646019. The reversal of 5645986 is 6895465.

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

It is a Harshad number since it is a multiple of its sum of digits (43).

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, 32740 + ... + 32911.

It is an arithmetic number, because the mean of its divisors is an integer number (1083258).

Almost surely, 2^5645986 is an apocalyptic number.

5645986 is a deficient number, since it is larger than the sum of its proper divisors (3020078).

5645986 is a wasteful number, since it uses less digits than its factorization.

5645986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65696.

The product of its digits is 259200, while the sum is 43.

The square root of 5645986 is about 2376.1283635359. The cubic root of 5645986 is about 178.0655610030.

The spelling of 5645986 in words is "five million, six hundred forty-five thousand, nine hundred eighty-six".