32628985 has 12 divisors (see below), whose sum is σ = 41326308. Its totient is φ = 24727968.

The previous prime is 32628979. The next prime is 32628991. The reversal of 32628985 is 58982623.

It is an interprime number because it is at equal distance from previous prime (32628979) and next prime (32628991).

It can be written as a sum of positive squares in 2 ways, for example, as 23843689 + 8785296 = 4883^2 + 2964^2 .

It is not a de Polignac number, because 32628985 - 2¹⁵ = 32596217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7234 + ... + 10843.

It is an arithmetic number, because the mean of its divisors is an integer number (3443859).

Almost surely, 2^32628985 is an apocalyptic number.

It is an amenable number.

32628985 is a deficient number, since it is larger than the sum of its proper divisors (8697323).

32628985 is a wasteful number, since it uses less digits than its factorization.

32628985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18120 (or 18101 counting only the distinct ones).

The product of its digits is 207360, while the sum is 43.

The square root of 32628985 is about 5712.1786561696. The cubic root of 32628985 is about 319.5468357733.

The spelling of 32628985 in words is "thirty-two million, six hundred twenty-eight thousand, nine hundred eighty-five".