404754490 has 16 divisors (see below), whose sum is σ = 832637952. Its totient is φ = 138772944.

The previous prime is 404754487. The next prime is 404754509. The reversal of 404754490 is 94457404.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2891034 + ... + 2891173.

It is an arithmetic number, because the mean of its divisors is an integer number (52039872).

Almost surely, 2^404754490 is an apocalyptic number.

404754490 is an abundant number, since it is smaller than the sum of its proper divisors (427883462).

404754490 is a wasteful number, since it uses less digits than its factorization.

404754490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5782221.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 404754490 is about 20118.5111278146. The cubic root of 404754490 is about 739.7140909129.

The spelling of 404754490 in words is "four hundred four million, seven hundred fifty-four thousand, four hundred ninety".