32116909 has 12 divisors (see below), whose sum is σ = 35441308. Its totient is φ = 29082240.

The previous prime is 32116883. The next prime is 32116913. The reversal of 32116909 is 90961123.

It can be written as a sum of positive squares in 2 ways, for example, as 1258884 + 30858025 = 1122^2 + 5555^2 .

It is not a de Polignac number, because 32116909 - 2¹³ = 32108717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32116979) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52087 + ... + 52699.

Almost surely, 2^32116909 is an apocalyptic number.

It is an amenable number.

32116909 is a deficient number, since it is larger than the sum of its proper divisors (3324399).

32116909 is a wasteful number, since it uses less digits than its factorization.

32116909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068 (or 1057 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 32116909 is about 5667.1782220078. The cubic root of 32116909 is about 317.8663685721.

The spelling of 32116909 in words is "thirty-two million, one hundred sixteen thousand, nine hundred nine".