89400472 has 64 divisors (see below), whose sum is σ = 204595200. Its totient is φ = 35769600.

The previous prime is 89400419. The next prime is 89400481. The reversal of 89400472 is 27400498.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77097 + ... + 78247.

It is an arithmetic number, because the mean of its divisors is an integer number (3196800).

Almost surely, 2^89400472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89400472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102297600).

89400472 is an abundant number, since it is smaller than the sum of its proper divisors (115194728).

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

89400472 is a wasteful number, since it uses less digits than its factorization.

89400472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256 (or 1252 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 89400472 is about 9455.1822827484. The cubic root of 89400472 is about 447.1431725777.

The spelling of 89400472 in words is "eighty-nine million, four hundred thousand, four hundred seventy-two".