32889456 has 80 divisors (see below), whose sum is σ = 99398400. Its totient is φ = 10383552.

The previous prime is 32889443. The next prime is 32889457. The reversal of 32889456 is 65498823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32889457) 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, 6205 + ... + 10211.

It is an arithmetic number, because the mean of its divisors is an integer number (1242480).

Almost surely, 2^32889456 is an apocalyptic number.

32889456 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32889456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49699200).

32889456 is an abundant number, since it is smaller than the sum of its proper divisors (66508944).

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

32889456 is a wasteful number, since it uses less digits than its factorization.

32889456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4043 (or 4031 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 32889456 is about 5734.9329551443. The cubic root of 32889456 is about 320.3948771081.

The spelling of 32889456 in words is "thirty-two million, eight hundred eighty-nine thousand, four hundred fifty-six".