350643456 has 54 divisors (see below), whose sum is σ = 1010998170. Its totient is φ = 116880384.

The previous prime is 350643443. The next prime is 350643463. The reversal of 350643456 is 654346053.

350643456 is a `hidden beast` number, since 3 + 5 + 0 + 643 + 4 + 5 + 6 = 666.

350643456 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 295289856 + 55353600 = 17184^2 + 7440^2 .

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 350643456.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73791 + ... + 78398.

Almost surely, 2^350643456 is an apocalyptic number.

350643456 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

350643456 is an abundant number, since it is smaller than the sum of its proper divisors (660354714).

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

350643456 is a wasteful number, since it uses less digits than its factorization.

350643456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152211 (or 152194 counting only the distinct ones).

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

The square root of 350643456 is about 18725.4761221177. The cubic root of 350643456 is about 705.1614780255.

The spelling of 350643456 in words is "three hundred fifty million, six hundred forty-three thousand, four hundred fifty-six".