5164640 has 72 divisors (see below), whose sum is σ = 13281408. Its totient is φ = 1896960.

The previous prime is 5164619. The next prime is 5164657. The reversal of 5164640 is 464615.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26945 + ... + 27135.

It is an arithmetic number, because the mean of its divisors is an integer number (184464).

Almost surely, 2^5164640 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 5164640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6640704).

5164640 is an abundant number, since it is smaller than the sum of its proper divisors (8116768).

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

5164640 is a wasteful number, since it uses less digits than its factorization.

5164640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 5164640 is about 2272.5844318749. The cubic root of 5164640 is about 172.8542325203.

The spelling of 5164640 in words is "five million, one hundred sixty-four thousand, six hundred forty".