32857969 has 2 divisors, whose sum is σ = 32857970. Its totient is φ = 32857968.

The previous prime is 32857967. The next prime is 32857997. The reversal of 32857969 is 96975823.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21967969 + 10890000 = 4687^2 + 3300^2 .

It is a cyclic number.

It is not a de Polignac number, because 32857969 - 2¹ = 32857967 is a prime.

It is a super-2 number, since 2×32857969² = 2159292253609922, which contains 22 as substring.

Together with 32857967, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (32857967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16428984 + 16428985.

It is an arithmetic number, because the mean of its divisors is an integer number (16428985).

Almost surely, 2^32857969 is an apocalyptic number.

It is an amenable number.

32857969 is a deficient number, since it is larger than the sum of its proper divisors (1).

32857969 is an equidigital number, since it uses as much as digits as its factorization.

32857969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480, while the sum is 49.

The square root of 32857969 is about 5732.1871044131. The cubic root of 32857969 is about 320.2926002105.

The spelling of 32857969 in words is "thirty-two million, eight hundred fifty-seven thousand, nine hundred sixty-nine".