404374 has 4 divisors (see below), whose sum is σ = 606564. Its totient is φ = 202186.

The previous prime is 404357. The next prime is 404381. The reversal of 404374 is 473404.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101092 + ... + 101095.

It is an arithmetic number, because the mean of its divisors is an integer number (151641).

2⁴⁰⁴³⁷⁴ is an apocalyptic number.

404374 is a deficient number, since it is larger than the sum of its proper divisors (202190).

404374 is a wasteful number, since it uses less digits than its factorization.

404374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202189.

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 404374 is about 635.9040808172. The cubic root of 404374 is about 73.9482228503.

Adding to 404374 its reverse (473404), we get a palindrome (877778).

The spelling of 404374 in words is "four hundred four thousand, three hundred seventy-four", and thus it is an iban number.