89479628 has 24 divisors (see below), whose sum is σ = 180375552. Its totient is φ = 38044944.

The previous prime is 89479627. The next prime is 89479631. The reversal of 89479628 is 82697498.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 89479628.

It is not an unprimeable number, because it can be changed into a prime (89479627) 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, 9026 + ... + 16137.

It is an arithmetic number, because the mean of its divisors is an integer number (7515648).

Almost surely, 2^89479628 is an apocalyptic number.

It is an amenable number.

89479628 is an abundant number, since it is smaller than the sum of its proper divisors (90895924).

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

89479628 is a wasteful number, since it uses less digits than its factorization.

89479628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25301 (or 25299 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 53.

The square root of 89479628 is about 9459.3672092799. The cubic root of 89479628 is about 447.2751018738.

The spelling of 89479628 in words is "eighty-nine million, four hundred seventy-nine thousand, six hundred twenty-eight".