4090365 has 32 divisors (see below), whose sum is σ = 7459200. Its totient is φ = 2125440.

The previous prime is 4090349. The next prime is 4090379. The reversal of 4090365 is 5630904.

It is a happy number.

It is not a de Polignac number, because 4090365 - 2⁴ = 4090349 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5166 + ... + 5904.

It is an arithmetic number, because the mean of its divisors is an integer number (233100).

Almost surely, 2^4090365 is an apocalyptic number.

4090365 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4090365 is a deficient number, since it is larger than the sum of its proper divisors (3368835).

4090365 is a wasteful number, since it uses less digits than its factorization.

4090365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794 (or 788 counting only the distinct ones).

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

The square root of 4090365 is about 2022.4650800446. The cubic root of 4090365 is about 159.9265939315.

The spelling of 4090365 in words is "four million, ninety thousand, three hundred sixty-five".