89863380 has 144 divisors (see below), whose sum is σ = 284828544. Its totient is φ = 22913280.

The previous prime is 89863339. The next prime is 89863381. The reversal of 89863380 is 8336898.

89863380 is a `hidden beast` number, since 8 + 9 + 8 + 633 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89863381) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 685915 + ... + 686045.

It is an arithmetic number, because the mean of its divisors is an integer number (1977976).

Almost surely, 2^89863380 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 89863380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142414272).

89863380 is an abundant number, since it is smaller than the sum of its proper divisors (194965164).

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

89863380 is a wasteful number, since it uses less digits than its factorization.

89863380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 89863380 is about 9479.6297396048. The cubic root of 89863380 is about 447.9136007386.

The spelling of 89863380 in words is "eighty-nine million, eight hundred sixty-three thousand, three hundred eighty".