89660382 has 32 divisors (see below), whose sum is σ = 205742592. Its totient is φ = 25516704.

The previous prime is 89660381. The next prime is 89660387. The reversal of 89660382 is 28306698.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89660381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6988 + ... + 15104.

It is an arithmetic number, because the mean of its divisors is an integer number (6429456).

Almost surely, 2^89660382 is an apocalyptic number.

89660382 is an abundant number, since it is smaller than the sum of its proper divisors (116082210).

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

89660382 is a wasteful number, since it uses less digits than its factorization.

89660382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8392.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 89660382 is about 9468.9166222963. The cubic root of 89660382 is about 447.5760731236.

The spelling of 89660382 in words is "eighty-nine million, six hundred sixty thousand, three hundred eighty-two".