32889480 has 128 divisors (see below), whose sum is σ = 110073600. Its totient is φ = 7805952.

The previous prime is 32889457. The next prime is 32889487. The reversal of 32889480 is 8498823.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32889487) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44877 + ... + 45603.

It is an arithmetic number, because the mean of its divisors is an integer number (859950).

Almost surely, 2^32889480 is an apocalyptic number.

32889480 is a gapful number since it is divisible by the number (30) 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 32889480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55036800).

32889480 is an abundant number, since it is smaller than the sum of its proper divisors (77184120).

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

32889480 is a wasteful number, since it uses less digits than its factorization.

32889480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783 (or 779 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 32889480 is about 5734.9350475834. The cubic root of 32889480 is about 320.3949550406.

The spelling of 32889480 in words is "thirty-two million, eight hundred eighty-nine thousand, four hundred eighty".