392272065 has 20 divisors (see below), whose sum is σ = 703184724. Its totient is φ = 209211552.

The previous prime is 392272063. The next prime is 392272073. The reversal of 392272065 is 560272293.

It can be written as a sum of positive squares in 2 ways, for example, as 166100544 + 226171521 = 12888^2 + 15039^2 .

It is not a de Polignac number, because 392272065 - 2¹ = 392272063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (392272063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 483882 + ... + 484691.

Almost surely, 2^392272065 is an apocalyptic number.

It is an amenable number.

392272065 is a deficient number, since it is larger than the sum of its proper divisors (310912659).

392272065 is an equidigital number, since it uses as much as digits as its factorization.

392272065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968590 (or 968581 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 392272065 is about 19805.8593603004. The cubic root of 392272065 is about 732.0304173063.

The spelling of 392272065 in words is "three hundred ninety-two million, two hundred seventy-two thousand, sixty-five".