38673899 has 12 divisors (see below), whose sum is σ = 43503768. Its totient is φ = 34335840.

The previous prime is 38673863. The next prime is 38673923. The reversal of 38673899 is 99837683.

It is not a de Polignac number, because 38673899 - 2²⁰ = 37625323 is a prime.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 38673899.

It is not an unprimeable number, because it can be changed into a prime (38673499) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1487 + ... + 8919.

It is an arithmetic number, because the mean of its divisors is an integer number (3625314).

Almost surely, 2^38673899 is an apocalyptic number.

38673899 is a deficient number, since it is larger than the sum of its proper divisors (4829869).

38673899 is a wasteful number, since it uses less digits than its factorization.

38673899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7498 (or 7487 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 53.

The square root of 38673899 is about 6218.8342155102. The cubic root of 38673899 is about 338.1733031650.

The spelling of 38673899 in words is "thirty-eight million, six hundred seventy-three thousand, eight hundred ninety-nine".