38910369 has 4 divisors (see below), whose sum is σ = 51880496. Its totient is φ = 25940244.

The previous prime is 38910341. The next prime is 38910379. The reversal of 38910369 is 96301983.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 38910369 - 2¹⁹ = 38386081 is a prime.

It is a super-2 number, since 2×38910369² = 3028033631432322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38910379) 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, 6485059 + ... + 6485064.

It is an arithmetic number, because the mean of its divisors is an integer number (12970124).

Almost surely, 2^38910369 is an apocalyptic number.

It is an amenable number.

38910369 is a deficient number, since it is larger than the sum of its proper divisors (12970127).

38910369 is a wasteful number, since it uses less digits than its factorization.

38910369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12970126.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 38910369 is about 6237.8176472225. The cubic root of 38910369 is about 338.8611521428.

The spelling of 38910369 in words is "thirty-eight million, nine hundred ten thousand, three hundred sixty-nine".