89401880 has 16 divisors (see below), whose sum is σ = 201154320. Its totient is φ = 35760736.

The previous prime is 89401801. The next prime is 89401889. The reversal of 89401880 is 8810498.

It is a super-2 number, since 2×89401880² = 15985392295068800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89401889) 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, 1117484 + ... + 1117563.

It is an arithmetic number, because the mean of its divisors is an integer number (12572145).

Almost surely, 2^89401880 is an apocalyptic number.

It is an amenable number.

89401880 is an abundant number, since it is smaller than the sum of its proper divisors (111752440).

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

89401880 is a wasteful number, since it uses less digits than its factorization.

89401880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2235058 (or 2235054 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 89401880 is about 9455.2567389786. The cubic root of 89401880 is about 447.1455199713.

The spelling of 89401880 in words is "eighty-nine million, four hundred one thousand, eight hundred eighty".