354643056 has 80 divisors (see below), whose sum is σ = 1071558400. Its totient is φ = 111989952.

The previous prime is 354643043. The next prime is 354643109. The reversal of 354643056 is 650346453.

354643056 is a `hidden beast` number, since 3 + 5 + 4 + 643 + 0 + 5 + 6 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 354643056.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 13396 + ... + 29811.

It is an arithmetic number, because the mean of its divisors is an integer number (13394480).

Almost surely, 2^354643056 is an apocalyptic number.

354643056 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

354643056 is an abundant number, since it is smaller than the sum of its proper divisors (716915344).

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

354643056 is a wasteful number, since it uses less digits than its factorization.

354643056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43243 (or 43231 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The square root of 354643056 is about 18831.9689889294. The cubic root of 354643056 is about 707.8324797571.

The spelling of 354643056 in words is "three hundred fifty-four million, six hundred forty-three thousand, fifty-six".