5810640 has 160 divisors (see below), whose sum is σ = 20570112. Its totient is φ = 1344000.

The previous prime is 5810639. The next prime is 5810647. The reversal of 5810640 is 460185.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 5810640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5810647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81805 + ... + 81875.

Almost surely, 2^5810640 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 5810640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10285056).

5810640 is an abundant number, since it is smaller than the sum of its proper divisors (14759472).

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

5810640 is a wasteful number, since it uses less digits than its factorization.

5810640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 5810640 is about 2410.5269133532. The cubic root of 5810640 is about 179.7799780807.

The spelling of 5810640 in words is "five million, eight hundred ten thousand, six hundred forty".