89748921 has 8 divisors (see below), whose sum is σ = 124868160. Its totient is φ = 57231152.

The previous prime is 89748917. The next prime is 89748931. The reversal of 89748921 is 12984798.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 89748921 - 2² = 89748917 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89748931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 650286 + ... + 650423.

It is an arithmetic number, because the mean of its divisors is an integer number (15608520).

Almost surely, 2^89748921 is an apocalyptic number.

It is an amenable number.

89748921 is a deficient number, since it is larger than the sum of its proper divisors (35119239).

89748921 is a wasteful number, since it uses less digits than its factorization.

89748921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300735.

The product of its digits is 290304, while the sum is 48.

The square root of 89748921 is about 9473.5907131351. The cubic root of 89748921 is about 447.7233507360.

The spelling of 89748921 in words is "eighty-nine million, seven hundred forty-eight thousand, nine hundred twenty-one".