32290897 has 4 divisors (see below), whose sum is σ = 32504896. Its totient is φ = 32076900.

The previous prime is 32290889. The next prime is 32290957. The reversal of 32290897 is 79809223.

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 32290897 - 2³ = 32290889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32290847) 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 3 ways as a sum of consecutive naturals, for example, 106773 + ... + 107074.

It is an arithmetic number, because the mean of its divisors is an integer number (8126224).

Almost surely, 2^32290897 is an apocalyptic number.

It is an amenable number.

32290897 is a deficient number, since it is larger than the sum of its proper divisors (213999).

32290897 is a wasteful number, since it uses less digits than its factorization.

32290897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213998.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 32290897 is about 5682.5079850362. The cubic root of 32290897 is about 318.4393311903.

It can be divided in two parts, 322 and 90897, that added together give a palindrome (91219).

The spelling of 32290897 in words is "thirty-two million, two hundred ninety thousand, eight hundred ninety-seven".