89798940 has 432 divisors, whose sum is σ = 371804160. Its totient is φ = 17107200.

The previous prime is 89798939. The next prime is 89798941. The reversal of 89798940 is 4989798.

It is an interprime number because it is at equal distance from previous prime (89798939) and next prime (89798941).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89798941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2896725 + ... + 2896755.

Almost surely, 2^89798940 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 89798940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185902080).

89798940 is an abundant number, since it is smaller than the sum of its proper divisors (282005220).

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

89798940 is a wasteful number, since it uses less digits than its factorization.

89798940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The square root of 89798940 is about 9476.2302631373. The cubic root of 89798940 is about 447.8065105667.

The spelling of 89798940 in words is "eighty-nine million, seven hundred ninety-eight thousand, nine hundred forty".