32864457 has 4 divisors (see below), whose sum is σ = 43819280. Its totient is φ = 21909636.

The previous prime is 32864443. The next prime is 32864459. The reversal of 32864457 is 75446823.

It is a happy number.

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 not a de Polignac number, because 32864457 - 2⁸ = 32864201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32864459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5477407 + ... + 5477412.

It is an arithmetic number, because the mean of its divisors is an integer number (10954820).

Almost surely, 2^32864457 is an apocalyptic number.

It is an amenable number.

32864457 is a deficient number, since it is larger than the sum of its proper divisors (10954823).

32864457 is a wasteful number, since it uses less digits than its factorization.

32864457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10954822.

The product of its digits is 161280, while the sum is 39.

The square root of 32864457 is about 5732.7530035752. The cubic root of 32864457 is about 320.3136800448.

The spelling of 32864457 in words is "thirty-two million, eight hundred sixty-four thousand, four hundred fifty-seven".