89642 has 16 divisors (see below), whose sum is σ = 162240. Its totient is φ = 36288.

The previous prime is 89633. The next prime is 89653. The reversal of 89642 is 24698.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 89642.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98 + ... + 434.

It is an arithmetic number, because the mean of its divisors is an integer number (10140).

2⁸⁹⁶⁴² is an apocalyptic number.

89642 is a deficient number, since it is larger than the sum of its proper divisors (72598).

89642 is a wasteful number, since it uses less digits than its factorization.

89642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365.

The product of its digits is 3456, while the sum is 29.

The square root of 89642 is about 299.4027387984. The cubic root of 89642 is about 44.7545483970.

The spelling of 89642 in words is "eighty-nine thousand, six hundred forty-two".