38966379 has 4 divisors (see below), whose sum is σ = 51955176. Its totient is φ = 25977584.

The previous prime is 38966371. The next prime is 38966383. The reversal of 38966379 is 97366983.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 38966379 - 2³ = 38966371 is a prime.

It is a super-3 number, since 3×38966379³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (38966371) 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, 6494394 + ... + 6494399.

It is an arithmetic number, because the mean of its divisors is an integer number (12988794).

Almost surely, 2^38966379 is an apocalyptic number.

38966379 is a deficient number, since it is larger than the sum of its proper divisors (12988797).

38966379 is a wasteful number, since it uses less digits than its factorization.

38966379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12988796.

The product of its digits is 1469664, while the sum is 51.

The square root of 38966379 is about 6242.3055836766. The cubic root of 38966379 is about 339.0236667808.

The spelling of 38966379 in words is "thirty-eight million, nine hundred sixty-six thousand, three hundred seventy-nine".