32487649 has 4 divisors (see below), whose sum is σ = 32580036. Its totient is φ = 32395264.

The previous prime is 32487643. The next prime is 32487671. The reversal of 32487649 is 94678423.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3972049 + 28515600 = 1993^2 + 5340^2 .

It is a cyclic number.

It is not a de Polignac number, because 32487649 - 2⁵ = 32487617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32487643) 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, 45664 + ... + 46369.

It is an arithmetic number, because the mean of its divisors is an integer number (8145009).

Almost surely, 2^32487649 is an apocalyptic number.

It is an amenable number.

32487649 is a deficient number, since it is larger than the sum of its proper divisors (92387).

32487649 is an equidigital number, since it uses as much as digits as its factorization.

32487649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92386.

The product of its digits is 290304, while the sum is 43.

The square root of 32487649 is about 5699.7937681990. The cubic root of 32487649 is about 319.0847840206.

The spelling of 32487649 in words is "thirty-two million, four hundred eighty-seven thousand, six hundred forty-nine".