38859999 has 4 divisors (see below), whose sum is σ = 51813336. Its totient is φ = 25906664.

The previous prime is 38859991. The next prime is 38860013. The reversal of 38859999 is 99995883.

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 38859999 - 2³ = 38859991 is a prime.

38859999 is a modest number, since divided by 9999 gives 3885 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38859991) 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, 6476664 + ... + 6476669.

It is an arithmetic number, because the mean of its divisors is an integer number (12953334).

Almost surely, 2^38859999 is an apocalyptic number.

38859999 is a deficient number, since it is larger than the sum of its proper divisors (12953337).

38859999 is a wasteful number, since it uses less digits than its factorization.

38859999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12953336.

The product of its digits is 6298560, while the sum is 60.

The square root of 38859999 is about 6233.7788699953. The cubic root of 38859999 is about 338.7148688848.

The spelling of 38859999 in words is "thirty-eight million, eight hundred fifty-nine thousand, nine hundred ninety-nine".