5915640 has 32 divisors (see below), whose sum is σ = 17747280. Its totient is φ = 1577472.

The previous prime is 5915621. The next prime is 5915683. The reversal of 5915640 is 465195.

5915640 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 5915598 and 5915607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24529 + ... + 24768.

Almost surely, 2^5915640 is an apocalyptic number.

It is an amenable number.

5915640 is an abundant number, since it is smaller than the sum of its proper divisors (11831640).

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

5915640 is a wasteful number, since it uses less digits than its factorization.

5915640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49311 (or 49307 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 5915640 is about 2432.2088726094. The cubic root of 5915640 is about 180.8564126833.

It can be divided in two parts, 5915 and 640, that added together give a triangular number (6555 = T₁₁₄).

The spelling of 5915640 in words is "five million, nine hundred fifteen thousand, six hundred forty".