98821632 has 240 divisors, whose sum is σ = 333072432. Its totient is φ = 25804800.

The previous prime is 98821631. The next prime is 98821661. The reversal of 98821632 is 23612889.

It is a happy number.

It is a super-2 number, since 2×98821632² = 19531429902286848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98821631) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 978382 + ... + 978482.

Almost surely, 2^98821632 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 98821632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166536216).

98821632 is an abundant number, since it is smaller than the sum of its proper divisors (234250800).

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

98821632 is a wasteful number, since it uses less digits than its factorization.

98821632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 126 counting only the distinct ones).

The product of its digits is 41472, while the sum is 39.

The square root of 98821632 is about 9940.9070008727. The cubic root of 98821632 is about 462.3285083216.

The spelling of 98821632 in words is "ninety-eight million, eight hundred twenty-one thousand, six hundred thirty-two".