4406540 has 12 divisors (see below), whose sum is σ = 9253776. Its totient is φ = 1762608.

The previous prime is 4406539. The next prime is 4406551. The reversal of 4406540 is 456044.

It is a happy number.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110144 + ... + 110183.

It is an arithmetic number, because the mean of its divisors is an integer number (771148).

Almost surely, 2^4406540 is an apocalyptic number.

It is an amenable number.

4406540 is an abundant number, since it is smaller than the sum of its proper divisors (4847236).

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

4406540 is a wasteful number, since it uses less digits than its factorization.

4406540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220336 (or 220334 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 4406540 is about 2099.1760288265. The cubic root of 4406540 is about 163.9454012182.

The spelling of 4406540 in words is "four million, four hundred six thousand, five hundred forty".