89161420 has 12 divisors (see below), whose sum is σ = 187239024. Its totient is φ = 35664560.

The previous prime is 89161367. The next prime is 89161427. The reversal of 89161420 is 2416198.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (89161427) 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, 2229016 + ... + 2229055.

It is an arithmetic number, because the mean of its divisors is an integer number (15603252).

Almost surely, 2^89161420 is an apocalyptic number.

It is an amenable number.

89161420 is an abundant number, since it is smaller than the sum of its proper divisors (98077604).

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

89161420 is a wasteful number, since it uses less digits than its factorization.

89161420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4458080 (or 4458078 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 89161420 is about 9442.5324992822. The cubic root of 89161420 is about 446.7442713110.

The spelling of 89161420 in words is "eighty-nine million, one hundred sixty-one thousand, four hundred twenty".