44908821 has 12 divisors (see below), whose sum is σ = 64990848. Its totient is φ = 29882664.

The previous prime is 44908819. The next prime is 44908841. The reversal of 44908821 is 12880944.

It is not a de Polignac number, because 44908821 - 2¹ = 44908819 is a prime.

It is a super-2 number, since 2×44908821² = 4033604407220082, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44908841) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 636 + ... + 9498.

It is an arithmetic number, because the mean of its divisors is an integer number (5415904).

Almost surely, 2^44908821 is an apocalyptic number.

It is an amenable number.

44908821 is a deficient number, since it is larger than the sum of its proper divisors (20082027).

44908821 is a wasteful number, since it uses less digits than its factorization.

44908821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9432 (or 9429 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 44908821 is about 6701.4044050482. The cubic root of 44908821 is about 355.4489354393.

The spelling of 44908821 in words is "forty-four million, nine hundred eight thousand, eight hundred twenty-one".