38884999 has 4 divisors (see below), whose sum is σ = 39522520. Its totient is φ = 38247480.

The previous prime is 38884997. The next prime is 38885009. The reversal of 38884999 is 99948883.

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 38884999 - 2¹ = 38884997 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 (38884997) 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, 318669 + ... + 318790.

It is an arithmetic number, because the mean of its divisors is an integer number (9880630).

Almost surely, 2^38884999 is an apocalyptic number.

38884999 is a deficient number, since it is larger than the sum of its proper divisors (637521).

38884999 is an equidigital number, since it uses as much as digits as its factorization.

38884999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637520.

The product of its digits is 4478976, while the sum is 58.

The square root of 38884999 is about 6235.7837518631. The cubic root of 38884999 is about 338.7874890315.

The spelling of 38884999 in words is "thirty-eight million, eight hundred eighty-four thousand, nine hundred ninety-nine".