89042643 has 12 divisors (see below), whose sum is σ = 128793600. Its totient is φ = 59280336.

The previous prime is 89042627. The next prime is 89042647. The reversal of 89042643 is 34624098.

It is a happy number.

89042643 is a `hidden beast` number, since 8 + 9 + 0 + 4 + 2 + 643 = 666.

It is not a de Polignac number, because 89042643 - 2⁴ = 89042627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 89042598 and 89042607.

It is not an unprimeable number, because it can be changed into a prime (89042647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 558 + ... + 13356.

It is an arithmetic number, because the mean of its divisors is an integer number (10732800).

Almost surely, 2^89042643 is an apocalyptic number.

89042643 is a deficient number, since it is larger than the sum of its proper divisors (39750957).

89042643 is a wasteful number, since it uses less digits than its factorization.

89042643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13578 (or 13575 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 89042643 is about 9436.2409358812. The cubic root of 89042643 is about 446.5458053359.

The spelling of 89042643 in words is "eighty-nine million, forty-two thousand, six hundred forty-three".