38890369 has 8 divisors (see below), whose sum is σ = 45353600. Its totient is φ = 33334308.

The previous prime is 38890349. The next prime is 38890387. The reversal of 38890369 is 96309883.

It is not a de Polignac number, because 38890369 - 2¹¹ = 38888321 is a prime.

It is a super-2 number, since 2×38890369² = 3024921601912322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38890349) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 56349 + ... + 57034.

It is an arithmetic number, because the mean of its divisors is an integer number (5669200).

Almost surely, 2^38890369 is an apocalyptic number.

It is an amenable number.

38890369 is a deficient number, since it is larger than the sum of its proper divisors (6463231).

38890369 is an equidigital number, since it uses as much as digits as its factorization.

38890369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113404 (or 113390 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 38890369 is about 6236.2143163942. The cubic root of 38890369 is about 338.8030837777.

The spelling of 38890369 in words is "thirty-eight million, eight hundred ninety thousand, three hundred sixty-nine".