32128697 has 8 divisors (see below), whose sum is σ = 33005280. Its totient is φ = 31258080.

The previous prime is 32128693. The next prime is 32128703. The reversal of 32128697 is 79682123.

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 32128697 - 2² = 32128693 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32128697.

It is not an unprimeable number, because it can be changed into a prime (32128693) 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, 10754 + ... + 13412.

It is an arithmetic number, because the mean of its divisors is an integer number (4125660).

Almost surely, 2^32128697 is an apocalyptic number.

It is an amenable number.

32128697 is a deficient number, since it is larger than the sum of its proper divisors (876583).

32128697 is a wasteful number, since it uses less digits than its factorization.

32128697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2983.

The product of its digits is 36288, while the sum is 38.

The square root of 32128697 is about 5668.2181503538. The cubic root of 32128697 is about 317.9052530781.

The spelling of 32128697 in words is "thirty-two million, one hundred twenty-eight thousand, six hundred ninety-seven".