354004520 has 16 divisors (see below), whose sum is σ = 796510260. Its totient is φ = 141601792.

The previous prime is 354004513. The next prime is 354004529. The reversal of 354004520 is 25400453.

It can be written as a sum of positive squares in 2 ways, for example, as 352763524 + 1240996 = 18782^2 + 1114^2 .

It is not an unprimeable number, because it can be changed into a prime (354004529) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4425017 + ... + 4425096.

Almost surely, 2^354004520 is an apocalyptic number.

It is an amenable number.

354004520 is an abundant number, since it is smaller than the sum of its proper divisors (442505740).

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

354004520 is a wasteful number, since it uses less digits than its factorization.

354004520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8850124 (or 8850120 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 354004520 is about 18815.0078394881. The cubic root of 354004520 is about 707.4074062961.

Adding to 354004520 its reverse (25400453), we get a palindrome (379404973).

The spelling of 354004520 in words is "three hundred fifty-four million, four thousand, five hundred twenty".