32098640 has 120 divisors (see below), whose sum is σ = 90137088. Its totient is φ = 10402560.

The previous prime is 32098631. The next prime is 32098663. The reversal of 32098640 is 4689023.

It is a junction number, because it is equal to n+sod(n) for n = 32098597 and 32098606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 746459 + ... + 746501.

Almost surely, 2^32098640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32098640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45068544).

32098640 is an abundant number, since it is smaller than the sum of its proper divisors (58038448).

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

32098640 is a wasteful number, since it uses less digits than its factorization.

32098640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 32098640 is about 5665.5661676482. The cubic root of 32098640 is about 317.8060867009.

The spelling of 32098640 in words is "thirty-two million, ninety-eight thousand, six hundred forty".