4090356 has 18 divisors (see below), whose sum is σ = 10339602. Its totient is φ = 1363440.

The previous prime is 4090349. The next prime is 4090379. The reversal of 4090356 is 6530904.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3481956 + 608400 = 1866^2 + 780^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56775 + ... + 56846.

Almost surely, 2^4090356 is an apocalyptic number.

It is an amenable number.

4090356 is an abundant number, since it is smaller than the sum of its proper divisors (6249246).

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

4090356 is a wasteful number, since it uses less digits than its factorization.

4090356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113631 (or 113626 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 4090356 is about 2022.4628550359. The cubic root of 4090356 is about 159.9264766363.

The spelling of 4090356 in words is "four million, ninety thousand, three hundred fifty-six".