356845644 has 72 divisors (see below), whose sum is σ = 944116992. Its totient is φ = 113430240.

The previous prime is 356845639. The next prime is 356845651. The reversal of 356845644 is 446548653.

356845644 is a `hidden beast` number, since 3 + 5 + 6 + 84 + 564 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 356845644.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 522127 + ... + 522809.

It is an arithmetic number, because the mean of its divisors is an integer number (13112736).

Almost surely, 2^356845644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 356845644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (472058496).

356845644 is an abundant number, since it is smaller than the sum of its proper divisors (587271348).

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

356845644 is a wasteful number, since it uses less digits than its factorization.

356845644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347 (or 1342 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 45.

The square root of 356845644 is about 18890.3584931573. The cubic root of 356845644 is about 709.2948391220.

It can be divided in two parts, 35684 and 5644, that added together give a triangular number (41328 = T₂₈₇).

The spelling of 356845644 in words is "three hundred fifty-six million, eight hundred forty-five thousand, six hundred forty-four".