354494520 has 48 divisors (see below), whose sum is σ = 1152108360. Its totient is φ = 94531776.

The previous prime is 354494513. The next prime is 354494527. The reversal of 354494520 is 25494453.

It is a happy number.

354494520 is a `hidden beast` number, since 3 + 5 + 44 + 94 + 520 = 666.

It is an interprime number because it is at equal distance from previous prime (354494513) and next prime (354494527).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354494527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 491994 + ... + 492713.

Almost surely, 2^354494520 is an apocalyptic number.

354494520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

354494520 is an abundant number, since it is smaller than the sum of its proper divisors (797613840).

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

354494520 is a wasteful number, since it uses less digits than its factorization.

354494520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984724 (or 984717 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 354494520 is about 18828.0248565802. The cubic root of 354494520 is about 707.7336449001.

The spelling of 354494520 in words is "three hundred fifty-four million, four hundred ninety-four thousand, five hundred twenty".