89123849 has 2 divisors, whose sum is σ = 89123850. Its totient is φ = 89123848.

The previous prime is 89123833. The next prime is 89123863. The reversal of 89123849 is 94832198.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87516025 + 1607824 = 9355^2 + 1268^2 .

It is a cyclic number.

It is not a de Polignac number, because 89123849 - 2⁴ = 89123833 is a prime.

It is not a weakly prime, because it can be changed into another prime (89123149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44561924 + 44561925.

It is an arithmetic number, because the mean of its divisors is an integer number (44561925).

Almost surely, 2^89123849 is an apocalyptic number.

It is an amenable number.

89123849 is a deficient number, since it is larger than the sum of its proper divisors (1).

89123849 is an equidigital number, since it uses as much as digits as its factorization.

89123849 is an evil number, because the sum of its binary digits is even.

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

The square root of 89123849 is about 9440.5428339688. The cubic root of 89123849 is about 446.6815125260.

The spelling of 89123849 in words is "eighty-nine million, one hundred twenty-three thousand, eight hundred forty-nine".