354520404 has 36 divisors (see below), whose sum is σ = 1024170784. Its totient is φ = 101291472.

The previous prime is 354520391. The next prime is 354520427. The reversal of 354520404 is 404025453.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×354520404³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 703162 + ... + 703665.

Almost surely, 2^354520404 is an apocalyptic number.

It is an amenable number.

354520404 is an abundant number, since it is smaller than the sum of its proper divisors (669650380).

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

354520404 is a wasteful number, since it uses less digits than its factorization.

354520404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406844 (or 1406839 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 354520404 is about 18828.7122236227. The cubic root of 354520404 is about 707.7508699260.

Adding to 354520404 its reverse (404025453), we get a palindrome (758545857).

The spelling of 354520404 in words is "three hundred fifty-four million, five hundred twenty thousand, four hundred four".