44904381 has 16 divisors (see below), whose sum is σ = 60653760. Its totient is φ = 29548800.

The previous prime is 44904371. The next prime is 44904397. The reversal of 44904381 is 18340944.

It is a happy number.

It is not a de Polignac number, because 44904381 - 2⁷ = 44904253 is a prime.

It is a super-2 number, since 2×44904381² = 4032806865986322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44904331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111781 + ... + 112181.

It is an arithmetic number, because the mean of its divisors is an integer number (3790860).

Almost surely, 2^44904381 is an apocalyptic number.

It is an amenable number.

44904381 is a deficient number, since it is larger than the sum of its proper divisors (15749379).

44904381 is a wasteful number, since it uses less digits than its factorization.

44904381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 44904381 is about 6701.0731230154. The cubic root of 44904381 is about 355.4372209976.

The spelling of 44904381 in words is "forty-four million, nine hundred four thousand, three hundred eighty-one".