38624869 has 4 divisors (see below), whose sum is σ = 38966796. Its totient is φ = 38282944.

The previous prime is 38624851. The next prime is 38624893. The reversal of 38624869 is 96842683.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3755844 + 34869025 = 1938^2 + 5905^2 .

It is a cyclic number.

It is not a de Polignac number, because 38624869 - 2⁵ = 38624837 is a prime.

It is a super-2 number, since 2×38624869² = 2983761010534322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38624819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170794 + ... + 171019.

It is an arithmetic number, because the mean of its divisors is an integer number (9741699).

Almost surely, 2^38624869 is an apocalyptic number.

It is an amenable number.

38624869 is a deficient number, since it is larger than the sum of its proper divisors (341927).

38624869 is a wasteful number, since it uses less digits than its factorization.

38624869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341926.

The product of its digits is 497664, while the sum is 46.

The square root of 38624869 is about 6214.8909081335. The cubic root of 38624869 is about 338.0303329336.

It can be divided in two parts, 38624 and 869, that added together give a palindrome (39493).

The spelling of 38624869 in words is "thirty-eight million, six hundred twenty-four thousand, eight hundred sixty-nine".