5640546 has 16 divisors (see below), whose sum is σ = 11306304. Its totient is φ = 1875984.

The previous prime is 5640541. The next prime is 5640559. The reversal of 5640546 is 6450465.

It is not an unprimeable number, because it can be changed into a prime (5640541) 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, 3156 + ... + 4608.

It is an arithmetic number, because the mean of its divisors is an integer number (706644).

Almost surely, 2^5640546 is an apocalyptic number.

5640546 is an abundant number, since it is smaller than the sum of its proper divisors (5665758).

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

5640546 is a wasteful number, since it uses less digits than its factorization.

5640546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2105.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 5640546 is about 2374.9833683628. The cubic root of 5640546 is about 178.0083529304.

The spelling of 5640546 in words is "five million, six hundred forty thousand, five hundred forty-six".