404498346 has 64 divisors (see below), whose sum is σ = 940896000. Its totient is φ = 113550336.

The previous prime is 404498321. The next prime is 404498371. The reversal of 404498346 is 643894404.

It is an interprime number because it is at equal distance from previous prime (404498321) and next prime (404498371).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 404498298 and 404498307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 681826 + ... + 682418.

It is an arithmetic number, because the mean of its divisors is an integer number (14701500).

Almost surely, 2^404498346 is an apocalyptic number.

404498346 is an abundant number, since it is smaller than the sum of its proper divisors (536397654).

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

404498346 is a wasteful number, since it uses less digits than its factorization.

404498346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863.

The product of its (nonzero) digits is 331776, while the sum is 42.

The square root of 404498346 is about 20112.1442417262. The cubic root of 404498346 is about 739.5580182701.

The spelling of 404498346 in words is "four hundred four million, four hundred ninety-eight thousand, three hundred forty-six".