5645786 has 4 divisors (see below), whose sum is σ = 8468682. Its totient is φ = 2822892.

The previous prime is 5645779. The next prime is 5645851. The reversal of 5645786 is 6875465.

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., 4490161 + 1155625 = 2119^2 + 1075^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1411445 + ... + 1411448.

Almost surely, 2^5645786 is an apocalyptic number.

5645786 is a deficient number, since it is larger than the sum of its proper divisors (2822896).

5645786 is a wasteful number, since it uses less digits than its factorization.

5645786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2822895.

The product of its digits is 201600, while the sum is 41.

The square root of 5645786 is about 2376.0862778948. The cubic root of 5645786 is about 178.0634584158.

The spelling of 5645786 in words is "five million, six hundred forty-five thousand, seven hundred eighty-six".