44856387 has 12 divisors (see below), whose sum is σ = 68604120. Its totient is φ = 28145088.

The previous prime is 44856379. The next prime is 44856401. The reversal of 44856387 is 78365844.

44856387 is a `hidden beast` number, since 4 + 4 + 8 + 5 + 638 + 7 = 666.

It is not a de Polignac number, because 44856387 - 2³ = 44856379 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (44856347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146437 + ... + 146742.

It is an arithmetic number, because the mean of its divisors is an integer number (5717010).

Almost surely, 2^44856387 is an apocalyptic number.

44856387 is a deficient number, since it is larger than the sum of its proper divisors (23747733).

44856387 is a wasteful number, since it uses less digits than its factorization.

44856387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293202 (or 293199 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 44856387 is about 6697.4910974185. The cubic root of 44856387 is about 355.3105449010.

The spelling of 44856387 in words is "forty-four million, eight hundred fifty-six thousand, three hundred eighty-seven".