5644692 has 18 divisors (see below), whose sum is σ = 14268618. Its totient is φ = 1881552.

The previous prime is 5644687. The next prime is 5644693. The reversal of 5644692 is 2964465.

5644692 is a `hidden beast` number, since 5 + 644 + 6 + 9 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5447556 + 197136 = 2334^2 + 444^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 156797 = 5644692 / (5 + 6 + 4 + 4 + 6 + 9 + 2).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5644693) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78363 + ... + 78434.

It is an arithmetic number, because the mean of its divisors is an integer number (792701).

Almost surely, 2^5644692 is an apocalyptic number.

It is an amenable number.

5644692 is an abundant number, since it is smaller than the sum of its proper divisors (8623926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5644692 is a wasteful number, since it uses less digits than its factorization.

5644692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156807 (or 156802 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 5644692 is about 2375.8560562458. The cubic root of 5644692 is about 178.0519563854.

It can be divided in two parts, 5644 and 692, that added together give a palindrome (6336).

The spelling of 5644692 in words is "five million, six hundred forty-four thousand, six hundred ninety-two".