4090902 has 16 divisors (see below), whose sum is σ = 8225712. Its totient is φ = 1356320.

The previous prime is 4090901. The next prime is 4090903. The reversal of 4090902 is 2090904.

It is an interprime number because it is at equal distance from previous prime (4090901) and next prime (4090903).

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 549 + ... + 2912.

It is an arithmetic number, because the mean of its divisors is an integer number (514107).

Almost surely, 2^4090902 is an apocalyptic number.

4090902 is an abundant number, since it is smaller than the sum of its proper divisors (4134810).

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

4090902 is a wasteful number, since it uses less digits than its factorization.

4090902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3663.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 4090902 is about 2022.5978344693. The cubic root of 4090902 is about 159.9335922330.

The spelling of 4090902 in words is "four million, ninety thousand, nine hundred two".