68499398 has 32 divisors (see below), whose sum is σ = 118222848. Its totient is φ = 29476800.

The previous prime is 68499391. The next prime is 68499419. The reversal of 68499398 is 89399486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68499391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30986 + ... + 33122.

It is an arithmetic number, because the mean of its divisors is an integer number (3694464).

Almost surely, 2^68499398 is an apocalyptic number.

68499398 is a deficient number, since it is larger than the sum of its proper divisors (49723450).

68499398 is a wasteful number, since it uses less digits than its factorization.

68499398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228.

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

The square root of 68499398 is about 8276.4363103935. The cubic root of 68499398 is about 409.1622752232.

The spelling of 68499398 in words is "sixty-eight million, four hundred ninety-nine thousand, three hundred ninety-eight".