89364397 has 2 divisors, whose sum is σ = 89364398. Its totient is φ = 89364396.

The previous prime is 89364377. The next prime is 89364469. The reversal of 89364397 is 79346398.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64304361 + 25060036 = 8019^2 + 5006^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89364397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89364397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89364377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44682198 + 44682199.

It is an arithmetic number, because the mean of its divisors is an integer number (44682199).

Almost surely, 2^89364397 is an apocalyptic number.

It is an amenable number.

89364397 is a deficient number, since it is larger than the sum of its proper divisors (1).

89364397 is an equidigital number, since it uses as much as digits as its factorization.

89364397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 49.

The square root of 89364397 is about 9453.2744062573. The cubic root of 89364397 is about 447.0830205458.

The spelling of 89364397 in words is "eighty-nine million, three hundred sixty-four thousand, three hundred ninety-seven".