89284691 has 2 divisors, whose sum is σ = 89284692. Its totient is φ = 89284690.

The previous prime is 89284687. The next prime is 89284703. The reversal of 89284691 is 19648298.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89284691 - 2² = 89284687 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (89284651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44642345 + 44642346.

It is an arithmetic number, because the mean of its divisors is an integer number (44642346).

Almost surely, 2^89284691 is an apocalyptic number.

89284691 is a deficient number, since it is larger than the sum of its proper divisors (1).

89284691 is an equidigital number, since it uses as much as digits as its factorization.

89284691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 47.

The square root of 89284691 is about 9449.0576778851. The cubic root of 89284691 is about 446.9500600668.

The spelling of 89284691 in words is "eighty-nine million, two hundred eighty-four thousand, six hundred ninety-one".