89721024 has 28 divisors (see below), whose sum is σ = 237387384. Its totient is φ = 29906944.

The previous prime is 89721017. The next prime is 89721031. The reversal of 89721024 is 42012798.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (89721017) and next prime (89721031).

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, 233457 + ... + 233840.

Almost surely, 2^89721024 is an apocalyptic number.

It is an amenable number.

89721024 is an abundant number, since it is smaller than the sum of its proper divisors (147666360).

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

89721024 is a wasteful number, since it uses less digits than its factorization.

89721024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467312 (or 467302 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 89721024 is about 9472.1182425052. The cubic root of 89721024 is about 447.6769567422.

The spelling of 89721024 in words is "eighty-nine million, seven hundred twenty-one thousand, twenty-four".