89672644 has 12 divisors (see below), whose sum is σ = 158125968. Its totient is φ = 44493800.

The previous prime is 89672641. The next prime is 89672651. The reversal of 89672644 is 44627698.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 89672594 and 89672603.

It is not an unprimeable number, because it can be changed into a prime (89672641) 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, 85042 + ... + 86089.

It is an arithmetic number, because the mean of its divisors is an integer number (13177164).

Almost surely, 2^89672644 is an apocalyptic number.

It is an amenable number.

89672644 is a deficient number, since it is larger than the sum of its proper divisors (68453324).

89672644 is a wasteful number, since it uses less digits than its factorization.

89672644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171266 (or 171264 counting only the distinct ones).

The product of its digits is 580608, while the sum is 46.

The square root of 89672644 is about 9469.5640871162. The cubic root of 89672644 is about 447.5964757716.

It can be divided in two parts, 8967 and 2644, that added together give a palindrome (11611).

The spelling of 89672644 in words is "eighty-nine million, six hundred seventy-two thousand, six hundred forty-four".