38849994 has 12 divisors (see below), whose sum is σ = 84175026. Its totient is φ = 12949992.

The previous prime is 38849989. The next prime is 38849999. The reversal of 38849994 is 49994883.

It is an interprime number because it is at equal distance from previous prime (38849989) and next prime (38849999).

It can be written as a sum of positive squares in only one way, i.e., 38378025 + 471969 = 6195^2 + 687^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 38849994.

It is not an unprimeable number, because it can be changed into a prime (38849999) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1079149 + ... + 1079184.

Almost surely, 2^38849994 is an apocalyptic number.

38849994 is an abundant number, since it is smaller than the sum of its proper divisors (45325032).

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

38849994 is a wasteful number, since it uses less digits than its factorization.

38849994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2158341 (or 2158338 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 38849994 is about 6232.9763355880. The cubic root of 38849994 is about 338.6857975756.

The spelling of 38849994 in words is "thirty-eight million, eight hundred forty-nine thousand, nine hundred ninety-four".