38404799 has 4 divisors (see below), whose sum is σ = 38685264. Its totient is φ = 38124336.

The previous prime is 38404777. The next prime is 38404801. The reversal of 38404799 is 99740483.

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 38404799 - 2²⁴ = 21627583 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 (38404739) 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, 140027 + ... + 140300.

It is an arithmetic number, because the mean of its divisors is an integer number (9671316).

Almost surely, 2^38404799 is an apocalyptic number.

38404799 is a deficient number, since it is larger than the sum of its proper divisors (280465).

38404799 is a wasteful number, since it uses less digits than its factorization.

38404799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280464.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 38404799 is about 6197.1605594821. The cubic root of 38404799 is about 337.3871198178.

The spelling of 38404799 in words is "thirty-eight million, four hundred four thousand, seven hundred ninety-nine".