5664890 has 48 divisors (see below), whose sum is σ = 12952224. Its totient is φ = 1764000.

The previous prime is 5664851. The next prime is 5664931. The reversal of 5664890 is 984665.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4865 + ... + 5915.

It is an arithmetic number, because the mean of its divisors is an integer number (269838).

Almost surely, 2^5664890 is an apocalyptic number.

5664890 is an abundant number, since it is smaller than the sum of its proper divisors (7287334).

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

5664890 is a wasteful number, since it uses less digits than its factorization.

5664890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083 (or 1076 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 5664890 is about 2380.1029389503. The cubic root of 5664890 is about 178.2640738029.

It can be divided in two parts, 56 and 64890, that added together give a palindrome (64946).

The spelling of 5664890 in words is "five million, six hundred sixty-four thousand, eight hundred ninety".