38636673 has 4 divisors (see below), whose sum is σ = 51515568. Its totient is φ = 25757780.

The previous prime is 38636669. The next prime is 38636677. The reversal of 38636673 is 37663683.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (38636669) and next prime (38636677).

It is a cyclic number.

It is not a de Polignac number, because 38636673 - 2² = 38636669 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38636677) 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, 6439443 + ... + 6439448.

It is an arithmetic number, because the mean of its divisors is an integer number (12878892).

Almost surely, 2^38636673 is an apocalyptic number.

It is an amenable number.

38636673 is a deficient number, since it is larger than the sum of its proper divisors (12878895).

38636673 is a wasteful number, since it uses less digits than its factorization.

38636673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12878894.

The product of its digits is 326592, while the sum is 42.

The square root of 38636673 is about 6215.8404902314. The cubic root of 38636673 is about 338.0647641499.

The spelling of 38636673 in words is "thirty-eight million, six hundred thirty-six thousand, six hundred seventy-three".