89429269 has 2 divisors, whose sum is σ = 89429270. Its totient is φ = 89429268.

The previous prime is 89429261. The next prime is 89429273. The reversal of 89429269 is 96292498.

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., 87647044 + 1782225 = 9362^2 + 1335^2 .

It is a cyclic number.

It is not a de Polignac number, because 89429269 - 2³ = 89429261 is a prime.

It is a super-2 number, since 2×89429269² = 15995188307748722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89429261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44714634 + 44714635.

It is an arithmetic number, because the mean of its divisors is an integer number (44714635).

Almost surely, 2^89429269 is an apocalyptic number.

It is an amenable number.

89429269 is a deficient number, since it is larger than the sum of its proper divisors (1).

89429269 is an equidigital number, since it uses as much as digits as its factorization.

89429269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 559872, while the sum is 49.

The square root of 89429269 is about 9456.7049758359. The cubic root of 89429269 is about 447.1911775429.

It can be divided in two parts, 89429 and 269, that added together give a palindrome (89698).

The spelling of 89429269 in words is "eighty-nine million, four hundred twenty-nine thousand, two hundred sixty-nine".