32864649 has 4 divisors (see below), whose sum is σ = 43819536. Its totient is φ = 21909764.

The previous prime is 32864647. The next prime is 32864701. The reversal of 32864649 is 94646823.

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 a cyclic number.

It is not a de Polignac number, because 32864649 - 2¹ = 32864647 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32864649.

It is not an unprimeable number, because it can be changed into a prime (32864641) 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, 5477439 + ... + 5477444.

It is an arithmetic number, because the mean of its divisors is an integer number (10954884).

Almost surely, 2^32864649 is an apocalyptic number.

It is an amenable number.

32864649 is a deficient number, since it is larger than the sum of its proper divisors (10954887).

32864649 is a wasteful number, since it uses less digits than its factorization.

32864649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10954886.

The product of its digits is 248832, while the sum is 42.

The square root of 32864649 is about 5732.7697494318. The cubic root of 32864649 is about 320.3143038201.

The spelling of 32864649 in words is "thirty-two million, eight hundred sixty-four thousand, six hundred forty-nine".