4090550 has 24 divisors (see below), whose sum is σ = 7941456. Its totient is φ = 1564640.

The previous prime is 4090531. The next prime is 4090553. The reversal of 4090550 is 550904.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4090553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 629 + ... + 2928.

It is an arithmetic number, because the mean of its divisors is an integer number (330894).

Almost surely, 2^4090550 is an apocalyptic number.

4090550 is a deficient number, since it is larger than the sum of its proper divisors (3850906).

4090550 is a wasteful number, since it uses less digits than its factorization.

4090550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3592 (or 3587 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 4090550 is about 2022.5108157931. The cubic root of 4090550 is about 159.9290049611.

The spelling of 4090550 in words is "four million, ninety thousand, five hundred fifty".