39288161 has 4 divisors (see below), whose sum is σ = 42859824. Its totient is φ = 35716500.

The previous prime is 39288157. The next prime is 39288167. The reversal of 39288161 is 16188293.

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 a cyclic number.

It is not a de Polignac number, because 39288161 - 2² = 39288157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39288167) 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, 1785815 + ... + 1785836.

It is an arithmetic number, because the mean of its divisors is an integer number (10714956).

Almost surely, 2^39288161 is an apocalyptic number.

It is an amenable number.

39288161 is a deficient number, since it is larger than the sum of its proper divisors (3571663).

39288161 is a wasteful number, since it uses less digits than its factorization.

39288161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3571662.

The product of its digits is 20736, while the sum is 38.

The square root of 39288161 is about 6268.0268825205. The cubic root of 39288161 is about 339.9543220066.

The spelling of 39288161 in words is "thirty-nine million, two hundred eighty-eight thousand, one hundred sixty-one".