354274520 has 32 divisors (see below), whose sum is σ = 831777120. Its totient is φ = 135548160.

The previous prime is 354274517. The next prime is 354274523. The reversal of 354274520 is 25472453.

It is an interprime number because it is at equal distance from previous prime (354274517) and next prime (354274523).

It is a super-3 number, since 3×354274520³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354274523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191621 + ... + 193460.

It is an arithmetic number, because the mean of its divisors is an integer number (25993035).

Almost surely, 2^354274520 is an apocalyptic number.

It is an amenable number.

354274520 is an abundant number, since it is smaller than the sum of its proper divisors (477502600).

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

354274520 is a wasteful number, since it uses less digits than its factorization.

354274520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385115 (or 385111 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 32.

The square root of 354274520 is about 18822.1815951287. The cubic root of 354274520 is about 707.5872076364.

The spelling of 354274520 in words is "three hundred fifty-four million, two hundred seventy-four thousand, five hundred twenty".