32661444 has 48 divisors (see below), whose sum is σ = 78059520. Its totient is φ = 10626720.

The previous prime is 32661443. The next prime is 32661493. The reversal of 32661444 is 44416623.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (32661443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124057 + ... + 124319.

It is an arithmetic number, because the mean of its divisors is an integer number (1626240).

Almost surely, 2^32661444 is an apocalyptic number.

It is an amenable number.

32661444 is an abundant number, since it is smaller than the sum of its proper divisors (45398076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32661444 is a wasteful number, since it uses less digits than its factorization.

32661444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480 (or 478 counting only the distinct ones).

The product of its digits is 13824, while the sum is 30.

The square root of 32661444 is about 5715.0191600729. The cubic root of 32661444 is about 319.6527613613.

The spelling of 32661444 in words is "thirty-two million, six hundred sixty-one thousand, four hundred forty-four".