89897142 has 8 divisors (see below), whose sum is σ = 179794296. Its totient is φ = 29965712.

The previous prime is 89897131. The next prime is 89897149. The reversal of 89897142 is 24179898.

It is a sphenic number, since it is the product of 3 distinct primes.

89897142 is an admirable number.

It is a super-2 number, since 2×89897142² = 16162992279536328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 89897091 and 89897100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89897149) 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, 7491423 + ... + 7491434.

It is an arithmetic number, because the mean of its divisors is an integer number (22474287).

Almost surely, 2^89897142 is an apocalyptic number.

89897142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

89897142 is a wasteful number, since it uses less digits than its factorization.

89897142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14982862.

The product of its digits is 290304, while the sum is 48.

The square root of 89897142 is about 9481.4103381301. The cubic root of 89897142 is about 447.9696879736.

The spelling of 89897142 in words is "eighty-nine million, eight hundred ninety-seven thousand, one hundred forty-two".