38694479 has 4 divisors (see below), whose sum is σ = 39942720. Its totient is φ = 37446240.

The previous prime is 38694473. The next prime is 38694493. The reversal of 38694479 is 97449683.

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 38694479 - 2²⁰ = 37645903 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 (38694473) 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, 624074 + ... + 624135.

It is an arithmetic number, because the mean of its divisors is an integer number (9985680).

Almost surely, 2^38694479 is an apocalyptic number.

38694479 is a deficient number, since it is larger than the sum of its proper divisors (1248241).

38694479 is a wasteful number, since it uses less digits than its factorization.

38694479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248240.

The product of its digits is 1306368, while the sum is 50.

The square root of 38694479 is about 6220.4886464007. The cubic root of 38694479 is about 338.2332779164.

The spelling of 38694479 in words is "thirty-eight million, six hundred ninety-four thousand, four hundred seventy-nine".