39228161 has 8 divisors (see below), whose sum is σ = 45400320. Its totient is φ = 33198048.

The previous prime is 39228157. The next prime is 39228173. The reversal of 39228161 is 16182293.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 39228161 - 2² = 39228157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39228131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34916 + ... + 36021.

It is an arithmetic number, because the mean of its divisors is an integer number (5675040).

Almost surely, 2^39228161 is an apocalyptic number.

It is an amenable number.

39228161 is a deficient number, since it is larger than the sum of its proper divisors (6172159).

39228161 is an equidigital number, since it uses as much as digits as its factorization.

39228161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71023.

The product of its digits is 5184, while the sum is 32.

The square root of 39228161 is about 6263.2388586098. The cubic root of 39228161 is about 339.7811769587.

The spelling of 39228161 in words is "thirty-nine million, two hundred twenty-eight thousand, one hundred sixty-one".