89899740 has 192 divisors, whose sum is σ = 338688000. Its totient is φ = 19325952.

The previous prime is 89899727. The next prime is 89899763. The reversal of 89899740 is 4799898.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 63561 + ... + 64959.

It is an arithmetic number, because the mean of its divisors is an integer number (1764000).

Almost surely, 2^89899740 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 89899740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169344000).

89899740 is an abundant number, since it is smaller than the sum of its proper divisors (248788260).

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

89899740 is a wasteful number, since it uses less digits than its factorization.

89899740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441 (or 1433 counting only the distinct ones).

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

The square root of 89899740 is about 9481.5473420745. The cubic root of 89899740 is about 447.9740033278.

The spelling of 89899740 in words is "eighty-nine million, eight hundred ninety-nine thousand, seven hundred forty".