89744945 has 8 divisors (see below), whose sum is σ = 107816640. Its totient is φ = 71714160.

The previous prime is 89744909. The next prime is 89744947. The reversal of 89744945 is 54944798.

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

It is not a de Polignac number, because 89744945 - 2⁶ = 89744881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 89744893 and 89744902.

It is not an unprimeable number, because it can be changed into a prime (89744947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5171 + ... + 14360.

It is an arithmetic number, because the mean of its divisors is an integer number (13477080).

Almost surely, 2^89744945 is an apocalyptic number.

It is an amenable number.

89744945 is a deficient number, since it is larger than the sum of its proper divisors (18071695).

89744945 is a wasteful number, since it uses less digits than its factorization.

89744945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20455.

The product of its digits is 1451520, while the sum is 50.

The square root of 89744945 is about 9473.3808642955. The cubic root of 89744945 is about 447.7167390527.

The spelling of 89744945 in words is "eighty-nine million, seven hundred forty-four thousand, nine hundred forty-five".