89428 has 12 divisors (see below), whose sum is σ = 159040. Its totient is φ = 43992.

The previous prime is 89417. The next prime is 89431. The reversal of 89428 is 82498.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 89428.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175 + ... + 457.

2⁸⁹⁴²⁸ is an apocalyptic number.

It is an amenable number.

89428 is a deficient number, since it is larger than the sum of its proper divisors (69612).

89428 is a wasteful number, since it uses less digits than its factorization.

89428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366 (or 364 counting only the distinct ones).

The product of its digits is 4608, while the sum is 31.

The square root of 89428 is about 299.0451470932. The cubic root of 89428 is about 44.7189062321.

The spelling of 89428 in words is "eighty-nine thousand, four hundred twenty-eight".