44638385 has 8 divisors (see below), whose sum is σ = 58435776. Its totient is φ = 32464240.

The previous prime is 44638369. The next prime is 44638387. The reversal of 44638385 is 58383644.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 44638385 - 2⁴ = 44638369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44638387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405749 + ... + 405858.

It is an arithmetic number, because the mean of its divisors is an integer number (7304472).

Almost surely, 2^44638385 is an apocalyptic number.

It is an amenable number.

44638385 is a deficient number, since it is larger than the sum of its proper divisors (13797391).

44638385 is a wasteful number, since it uses less digits than its factorization.

44638385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811623.

The product of its digits is 276480, while the sum is 41.

The square root of 44638385 is about 6681.1963749017. The cubic root of 44638385 is about 354.7340069235.

The spelling of 44638385 in words is "forty-four million, six hundred thirty-eight thousand, three hundred eighty-five".