38408799 has 48 divisors (see below), whose sum is σ = 61979904. Its totient is φ = 20966400.

The previous prime is 38408779. The next prime is 38408819. The reversal of 38408799 is 99780483.

It is an interprime number because it is at equal distance from previous prime (38408779) and next prime (38408819).

It is not a de Polignac number, because 38408799 - 2¹¹ = 38406751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38408749) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 395919 + ... + 396015.

It is an arithmetic number, because the mean of its divisors is an integer number (1291248).

Almost surely, 2^38408799 is an apocalyptic number.

38408799 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

38408799 is a deficient number, since it is larger than the sum of its proper divisors (23571105).

38408799 is a wasteful number, since it uses less digits than its factorization.

38408799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 38408799 is about 6197.4832795256. The cubic root of 38408799 is about 337.3988327778.

The spelling of 38408799 in words is "thirty-eight million, four hundred eight thousand, seven hundred ninety-nine".