44638697 has 8 divisors (see below), whose sum is σ = 45366144. Its totient is φ = 43914528.

The previous prime is 44638679. The next prime is 44638723. The reversal of 44638697 is 79683644.

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

It is a cyclic number.

It is not a de Polignac number, because 44638697 - 2⁸ = 44638441 is a prime.

It is a super-2 number, since 2×44638697² = 3985226539715618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44638597) 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, 53828 + ... + 54650.

It is an arithmetic number, because the mean of its divisors is an integer number (5670768).

Almost surely, 2^44638697 is an apocalyptic number.

It is an amenable number.

44638697 is a deficient number, since it is larger than the sum of its proper divisors (727447).

44638697 is an equidigital number, since it uses as much as digits as its factorization.

44638697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1639.

The product of its digits is 870912, while the sum is 47.

The square root of 44638697 is about 6681.2197239726. The cubic root of 44638697 is about 354.7348333927.

The spelling of 44638697 in words is "forty-four million, six hundred thirty-eight thousand, six hundred ninety-seven".