89206399 has 2 divisors, whose sum is σ = 89206400. Its totient is φ = 89206398.

The previous prime is 89206379. The next prime is 89206409. The reversal of 89206399 is 99360298.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89206399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89206309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44603199 + 44603200.

It is an arithmetic number, because the mean of its divisors is an integer number (44603200).

Almost surely, 2^89206399 is an apocalyptic number.

89206399 is a deficient number, since it is larger than the sum of its proper divisors (1).

89206399 is an equidigital number, since it uses as much as digits as its factorization.

89206399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 89206399 is about 9444.9139223182. The cubic root of 89206399 is about 446.8193812729.

The spelling of 89206399 in words is "eighty-nine million, two hundred six thousand, three hundred ninety-nine".