355820868 has 36 divisors (see below), whose sum is σ = 968624748. Its totient is φ = 109483200.

The previous prime is 355820851. The next prime is 355820873. The reversal of 355820868 is 868028553.

It is a happy number.

355820868 is a `hidden beast` number, since 3 + 5 + 582 + 0 + 8 + 68 = 666.

355820868 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 2 ways, for example, as 169989444 + 185831424 = 13038^2 + 13632^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 379683 + ... + 380618.

It is an arithmetic number, because the mean of its divisors is an integer number (26906243).

Almost surely, 2^355820868 is an apocalyptic number.

It is an amenable number.

355820868 is an abundant number, since it is smaller than the sum of its proper divisors (612803880).

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

355820868 is a wasteful number, since it uses less digits than its factorization.

355820868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760324 (or 760319 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The square root of 355820868 is about 18863.2146783097. The cubic root of 355820868 is about 708.6152126502.

The spelling of 355820868 in words is "three hundred fifty-five million, eight hundred twenty thousand, eight hundred sixty-eight".