5645992 has 32 divisors (see below), whose sum is σ = 11702880. Its totient is φ = 2532160.

The previous prime is 5645957. The next prime is 5646019. The reversal of 5645992 is 2995465.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6918 + ... + 7690.

It is an arithmetic number, because the mean of its divisors is an integer number (365715).

Almost surely, 2^5645992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5645992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5851440).

5645992 is an abundant number, since it is smaller than the sum of its proper divisors (6056888).

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

5645992 is a wasteful number, since it uses less digits than its factorization.

5645992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873 (or 869 counting only the distinct ones).

The product of its digits is 97200, while the sum is 40.

The square root of 5645992 is about 2376.1296260937. The cubic root of 5645992 is about 178.0656240798.

It can be divided in two parts, 564 and 5992, that added together give a palindrome (6556).

The spelling of 5645992 in words is "five million, six hundred forty-five thousand, nine hundred ninety-two".