32887989 has 12 divisors (see below), whose sum is σ = 47663616. Its totient is φ = 21852072.

The previous prime is 32887973. The next prime is 32887997. The reversal of 32887989 is 98978823.

It is not a de Polignac number, because 32887989 - 2⁴ = 32887973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32887909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3189 + ... + 8714.

It is an arithmetic number, because the mean of its divisors is an integer number (3971968).

Almost surely, 2^32887989 is an apocalyptic number.

It is an amenable number.

32887989 is a deficient number, since it is larger than the sum of its proper divisors (14775627).

32887989 is a wasteful number, since it uses less digits than its factorization.

32887989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12216 (or 12213 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The square root of 32887989 is about 5734.8050533562. The cubic root of 32887989 is about 320.3901134105.

The spelling of 32887989 in words is "thirty-two million, eight hundred eighty-seven thousand, nine hundred eighty-nine".