38910669 has 16 divisors (see below), whose sum is σ = 59596800. Its totient is φ = 22120560.

The previous prime is 38910667. The next prime is 38910701. The reversal of 38910669 is 96601983.

It is not a de Polignac number, because 38910669 - 2¹ = 38910667 is a prime.

It is a super-2 number, since 2×38910669² = 3028080324055122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38910669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38910661) 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, 477 + ... + 8834.

It is an arithmetic number, because the mean of its divisors is an integer number (3724800).

Almost surely, 2^38910669 is an apocalyptic number.

It is an amenable number.

38910669 is a deficient number, since it is larger than the sum of its proper divisors (20686131).

38910669 is a wasteful number, since it uses less digits than its factorization.

38910669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9520.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 38910669 is about 6237.8416940477. The cubic root of 38910669 is about 338.8620230168.

The spelling of 38910669 in words is "thirty-eight million, nine hundred ten thousand, six hundred sixty-nine".