38864479 has 4 divisors (see below), whose sum is σ = 38878984. Its totient is φ = 38849976.

The previous prime is 38864459. The next prime is 38864509. The reversal of 38864479 is 97446883.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97446883 = 23 ⋅4236821.

It is a cyclic number.

It is not a de Polignac number, because 38864479 - 2⁹ = 38863967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38864459) 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, 1932 + ... + 9025.

It is an arithmetic number, because the mean of its divisors is an integer number (9719746).

Almost surely, 2^38864479 is an apocalyptic number.

38864479 is a deficient number, since it is larger than the sum of its proper divisors (14505).

38864479 is a wasteful number, since it uses less digits than its factorization.

38864479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14504.

The product of its digits is 1161216, while the sum is 49.

The square root of 38864479 is about 6234.1381922444. The cubic root of 38864479 is about 338.7278847052.

The spelling of 38864479 in words is "thirty-eight million, eight hundred sixty-four thousand, four hundred seventy-nine".