38814665 has 8 divisors (see below), whose sum is σ = 47836680. Its totient is φ = 30212352.

The previous prime is 38814653. The next prime is 38814667. The reversal of 38814665 is 56641883.

It can be written as a sum of positive squares in 4 ways, for example, as 16949689 + 21864976 = 4117^2 + 4676^2 .

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 38814665 - 2¹⁴ = 38798281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38814667) 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, 104720 + ... + 105089.

It is an arithmetic number, because the mean of its divisors is an integer number (5979585).

Almost surely, 2^38814665 is an apocalyptic number.

It is an amenable number.

38814665 is a deficient number, since it is larger than the sum of its proper divisors (9022015).

38814665 is a wasteful number, since it uses less digits than its factorization.

38814665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209851.

The product of its digits is 138240, while the sum is 41.

The square root of 38814665 is about 6230.1416516802. The cubic root of 38814665 is about 338.5831029276.

The spelling of 38814665 in words is "thirty-eight million, eight hundred fourteen thousand, six hundred sixty-five".