89234891 has 2 divisors, whose sum is σ = 89234892. Its totient is φ = 89234890.

The previous prime is 89234879. The next prime is 89234903. The reversal of 89234891 is 19843298.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (89234879) and next prime (89234903).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89234891 is a prime.

It is not a weakly prime, because it can be changed into another prime (89234801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44617445 + 44617446.

It is an arithmetic number, because the mean of its divisors is an integer number (44617446).

Almost surely, 2^89234891 is an apocalyptic number.

89234891 is a deficient number, since it is larger than the sum of its proper divisors (1).

89234891 is an equidigital number, since it uses as much as digits as its factorization.

89234891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 44.

The square root of 89234891 is about 9446.4221269219. The cubic root of 89234891 is about 446.8669467048.

The spelling of 89234891 in words is "eighty-nine million, two hundred thirty-four thousand, eight hundred ninety-one".