38940038 has 4 divisors (see below), whose sum is σ = 58410060. Its totient is φ = 19470018.

The previous prime is 38940029. The next prime is 38940053. The reversal of 38940038 is 83004983.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9735008 + ... + 9735011.

It is an arithmetic number, because the mean of its divisors is an integer number (14602515).

Almost surely, 2^38940038 is an apocalyptic number.

38940038 is a deficient number, since it is larger than the sum of its proper divisors (19470022).

38940038 is a wasteful number, since it uses less digits than its factorization.

38940038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19470021.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 38940038 is about 6240.1953495063. The cubic root of 38940038 is about 338.9472570172.

The spelling of 38940038 in words is "thirty-eight million, nine hundred forty thousand, thirty-eight".