89920284 has 12 divisors (see below), whose sum is σ = 209814024. Its totient is φ = 29973424.

The previous prime is 89920279. The next prime is 89920289. The reversal of 89920284 is 48202998.

It is an interprime number because it is at equal distance from previous prime (89920279) and next prime (89920289).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89920289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3746667 + ... + 3746690.

It is an arithmetic number, because the mean of its divisors is an integer number (17484502).

Almost surely, 2^89920284 is an apocalyptic number.

It is an amenable number.

89920284 is an abundant number, since it is smaller than the sum of its proper divisors (119893740).

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

89920284 is a wasteful number, since it uses less digits than its factorization.

89920284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7493364 (or 7493362 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 89920284 is about 9482.6306476631. The cubic root of 89920284 is about 448.0081245869.

The spelling of 89920284 in words is "eighty-nine million, nine hundred twenty thousand, two hundred eighty-four".