354404 has 12 divisors (see below), whose sum is σ = 635628. Its totient is φ = 172800.

The previous prime is 354401. The next prime is 354421. The reversal of 354404 is 404453.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 102400 + 252004 = 320^2 + 502^2 .

It is not an unprimeable number, because it can be changed into a prime (354401) 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, 917 + ... + 1244.

It is an arithmetic number, because the mean of its divisors is an integer number (52969).

2³⁵⁴⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

354404 is a deficient number, since it is larger than the sum of its proper divisors (281224).

354404 is a wasteful number, since it uses less digits than its factorization.

354404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2206 (or 2204 counting only the distinct ones).

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

The square root of 354404 is about 595.3184022017. The cubic root of 354404 is about 70.7673399960.

Adding to 354404 its reverse (404453), we get a palindrome (758857).

The spelling of 354404 in words is "three hundred fifty-four thousand, four hundred four".