5812640 has 48 divisors (see below), whose sum is σ = 14546952. Its totient is φ = 2187264.

The previous prime is 5812633. The next prime is 5812649. The reversal of 5812640 is 462185.

It can be written as a sum of positive squares in 4 ways, for example, as 3952144 + 1860496 = 1988^2 + 1364^2 .

It is not an unprimeable number, because it can be changed into a prime (5812649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1652 + ... + 3788.

Almost surely, 2^5812640 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 5812640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7273476).

5812640 is an abundant number, since it is smaller than the sum of its proper divisors (8734312).

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

5812640 is a wasteful number, since it uses less digits than its factorization.

5812640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2169 (or 2161 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 5812640 is about 2410.9417247209. The cubic root of 5812640 is about 179.8006022409.

The spelling of 5812640 in words is "five million, eight hundred twelve thousand, six hundred forty".