404354 has 8 divisors (see below), whose sum is σ = 610428. Its totient is φ = 200880.

The previous prime is 404323. The next prime is 404357. The reversal of 404354 is 453404.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 265225 + 139129 = 515^2 + 373^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (404357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197 + ... + 920.

2⁴⁰⁴³⁵⁴ is an apocalyptic number.

404354 is a deficient number, since it is larger than the sum of its proper divisors (206074).

404354 is a wasteful number, since it uses less digits than its factorization.

404354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 404354 is about 635.8883549807. Note that the first 3 decimals coincide. The cubic root of 404354 is about 73.9470036911.

Adding to 404354 its reverse (453404), we get a palindrome (857758).

The spelling of 404354 in words is "four hundred four thousand, three hundred fifty-four".