5791640 has 16 divisors (see below), whose sum is σ = 13031280. Its totient is φ = 2316640.

The previous prime is 5791633. The next prime is 5791649. The reversal of 5791640 is 461975.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 5791597 and 5791606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5791649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72356 + ... + 72435.

It is an arithmetic number, because the mean of its divisors is an integer number (814455).

Almost surely, 2^5791640 is an apocalyptic number.

It is an amenable number.

5791640 is an abundant number, since it is smaller than the sum of its proper divisors (7239640).

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

5791640 is a wasteful number, since it uses less digits than its factorization.

5791640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144802 (or 144798 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 5791640 is about 2406.5826393457. The cubic root of 5791640 is about 179.5838121133.

The spelling of 5791640 in words is "five million, seven hundred ninety-one thousand, six hundred forty".