89429261 has 2 divisors, whose sum is σ = 89429262. Its totient is φ = 89429260.

The previous prime is 89429227. The next prime is 89429269. The reversal of 89429261 is 16292498.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48916036 + 40513225 = 6994^2 + 6365^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89429261 is a prime.

It is a super-2 number, since 2×89429261² = 15995185446012242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89429269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44714630 + 44714631.

It is an arithmetic number, because the mean of its divisors is an integer number (44714631).

Almost surely, 2^89429261 is an apocalyptic number.

It is an amenable number.

89429261 is a deficient number, since it is larger than the sum of its proper divisors (1).

89429261 is an equidigital number, since it uses as much as digits as its factorization.

89429261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 41.

The square root of 89429261 is about 9456.7045528556. The cubic root of 89429261 is about 447.1911642082.

The spelling of 89429261 in words is "eighty-nine million, four hundred twenty-nine thousand, two hundred sixty-one".