38339994 has 64 divisors (see below), whose sum is σ = 98721792. Its totient is φ = 9633600.

The previous prime is 38339993. The next prime is 38340007. The reversal of 38339994 is 49993383.

It is not an unprimeable number, because it can be changed into a prime (38339993) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12984 + ... + 15660.

It is an arithmetic number, because the mean of its divisors is an integer number (1542528).

Almost surely, 2^38339994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38339994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49360896).

38339994 is an abundant number, since it is smaller than the sum of its proper divisors (60381798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38339994 is a wasteful number, since it uses less digits than its factorization.

38339994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2731.

The product of its digits is 629856, while the sum is 48.

The square root of 38339994 is about 6191.9297476635. The cubic root of 38339994 is about 337.1972417944.

The spelling of 38339994 in words is "thirty-eight million, three hundred thirty-nine thousand, nine hundred ninety-four".