89897850 has 216 divisors, whose sum is σ = 293293728. Its totient is φ = 20412000.

The previous prime is 89897807. The next prime is 89897867. The reversal of 89897850 is 5879898.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 595275 + ... + 595425.

Almost surely, 2^89897850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89897850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146646864).

89897850 is an abundant number, since it is smaller than the sum of its proper divisors (203395878).

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

89897850 is a wasteful number, since it uses less digits than its factorization.

89897850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 54.

The square root of 89897850 is about 9481.4476742742. The cubic root of 89897850 is about 447.9708639906.

The spelling of 89897850 in words is "eighty-nine million, eight hundred ninety-seven thousand, eight hundred fifty".