4090940 has 24 divisors (see below), whose sum is σ = 9818592. Its totient is φ = 1402560.

The previous prime is 4090937. The next prime is 4090967. The reversal of 4090940 is 490904.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14471 + ... + 14750.

It is an arithmetic number, because the mean of its divisors is an integer number (409108).

Almost surely, 2^4090940 is an apocalyptic number.

It is an amenable number.

4090940 is an abundant number, since it is smaller than the sum of its proper divisors (5727652).

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

4090940 is a wasteful number, since it uses less digits than its factorization.

4090940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29237 (or 29235 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 4090940 is about 2022.6072283071. The cubic root of 4090940 is about 159.9340874341.

The spelling of 4090940 in words is "four million, ninety thousand, nine hundred forty".