4090900 has 36 divisors (see below), whose sum is σ = 9686880. Its totient is φ = 1487200.

The previous prime is 4090861. The next prime is 4090901. The reversal of 4090900 is 90904.

4090900 is digitally balanced in base 2, 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 (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4090901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 760 + ... + 2959.

It is an arithmetic number, because the mean of its divisors is an integer number (269080).

Almost surely, 2^4090900 is an apocalyptic number.

It is an amenable number.

4090900 is an abundant number, since it is smaller than the sum of its proper divisors (5595980).

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

4090900 is a wasteful number, since it uses less digits than its factorization.

4090900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3744 (or 3737 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 4090900 is about 2022.5973400556. The cubic root of 4090900 is about 159.9335661697.

The spelling of 4090900 in words is "four million, ninety thousand, nine hundred".