38390799 has 16 divisors (see below), whose sum is σ = 52191360. Its totient is φ = 25095840.

The previous prime is 38390797. The next prime is 38390813. The reversal of 38390799 is 99709383.

38390799 = T₁₀ + T₁₁ + ... + T₆₁₂.

It is not a de Polignac number, because 38390799 - 2¹ = 38390797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38390797) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77944 + ... + 78434.

It is an arithmetic number, because the mean of its divisors is an integer number (3261960).

Almost surely, 2^38390799 is an apocalyptic number.

38390799 is a deficient number, since it is larger than the sum of its proper divisors (13800561).

38390799 is a wasteful number, since it uses less digits than its factorization.

38390799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950.

The product of its (nonzero) digits is 367416, while the sum is 48.

The square root of 38390799 is about 6196.0309069597. The cubic root of 38390799 is about 337.3461180517.

The spelling of 38390799 in words is "thirty-eight million, three hundred ninety thousand, seven hundred ninety-nine".