38844465 has 32 divisors (see below), whose sum is σ = 68086656. Its totient is φ = 18754560.

The previous prime is 38844461. The next prime is 38844503. The reversal of 38844465 is 56444883.

It is not a de Polignac number, because 38844465 - 2² = 38844461 is a prime.

It is a super-2 number, since 2×38844465² = 3017784922272450, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38844461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65209 + ... + 65801.

It is an arithmetic number, because the mean of its divisors is an integer number (2127708).

Almost surely, 2^38844465 is an apocalyptic number.

It is an amenable number.

38844465 is a deficient number, since it is larger than the sum of its proper divisors (29242191).

38844465 is a wasteful number, since it uses less digits than its factorization.

38844465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009.

The product of its digits is 368640, while the sum is 42.

The square root of 38844465 is about 6232.5327917308. The cubic root of 38844465 is about 338.6697299402.

The spelling of 38844465 in words is "thirty-eight million, eight hundred forty-four thousand, four hundred sixty-five".