68894399 has 24 divisors (see below), whose sum is σ = 84954240. Its totient is φ = 54570672.

The previous prime is 68894389. The next prime is 68894417. The reversal of 68894399 is 99349886.

It is not a de Polignac number, because 68894399 - 2⁴ = 68894383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68894389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 830012 + ... + 830094.

It is an arithmetic number, because the mean of its divisors is an integer number (3539760).

Almost surely, 2^68894399 is an apocalyptic number.

68894399 is a deficient number, since it is larger than the sum of its proper divisors (16059841).

68894399 is an equidigital number, since it uses as much as digits as its factorization.

68894399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267 (or 188 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 56.

The square root of 68894399 is about 8300.2649957697. The cubic root of 68894399 is about 409.9472448482.

The spelling of 68894399 in words is "sixty-eight million, eight hundred ninety-four thousand, three hundred ninety-nine".