38243169 has 6 divisors (see below), whose sum is σ = 55240146. Its totient is φ = 25495440.

The previous prime is 38243137. The next prime is 38243203. The reversal of 38243169 is 96134283.

It can be written as a sum of positive squares in only one way, i.e., 35856144 + 2387025 = 5988^2 + 1545^2 .

It is not a de Polignac number, because 38243169 - 2⁵ = 38243137 is a prime.

It is a super-2 number, since 2×38243169² = 2925079950325122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38243069) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2124612 + ... + 2124629.

It is an arithmetic number, because the mean of its divisors is an integer number (9206691).

Almost surely, 2^38243169 is an apocalyptic number.

It is an amenable number.

38243169 is a deficient number, since it is larger than the sum of its proper divisors (16996977).

38243169 is a wasteful number, since it uses less digits than its factorization.

38243169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4249247 (or 4249244 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 38243169 is about 6184.1061601496. The cubic root of 38243169 is about 336.9131464106.

The spelling of 38243169 in words is "thirty-eight million, two hundred forty-three thousand, one hundred sixty-nine".