89438693 has 2 divisors, whose sum is σ = 89438694. Its totient is φ = 89438692.

The previous prime is 89438677. The next prime is 89438707. The reversal of 89438693 is 39683498.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89434849 + 3844 = 9457^2 + 62^2 .

It is a cyclic number.

It is not a de Polignac number, because 89438693 - 2⁴ = 89438677 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89438633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44719346 + 44719347.

It is an arithmetic number, because the mean of its divisors is an integer number (44719347).

Almost surely, 2^89438693 is an apocalyptic number.

It is an amenable number.

89438693 is a deficient number, since it is larger than the sum of its proper divisors (1).

89438693 is an equidigital number, since it uses as much as digits as its factorization.

89438693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1119744, while the sum is 50.

The square root of 89438693 is about 9457.2032335147. The cubic root of 89438693 is about 447.2068852326.

The spelling of 89438693 in words is "eighty-nine million, four hundred thirty-eight thousand, six hundred ninety-three".