68983838 has 32 divisors (see below), whose sum is σ = 130291200. Its totient is φ = 26609760.

The previous prime is 68983829. The next prime is 68983847. The reversal of 68983838 is 83838986.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (68983829) and next prime (68983847).

It is a self number, because there is not a number n which added to its sum of digits gives 68983838.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13688 + ... + 18036.

It is an arithmetic number, because the mean of its divisors is an integer number (4071600).

Almost surely, 2^68983838 is an apocalyptic number.

68983838 is a deficient number, since it is larger than the sum of its proper divisors (61307362).

68983838 is a wasteful number, since it uses less digits than its factorization.

68983838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4472.

The product of its digits is 1990656, while the sum is 53.

The square root of 68983838 is about 8305.6509678652. The cubic root of 68983838 is about 410.1245665524.

The spelling of 68983838 in words is "sixty-eight million, nine hundred eighty-three thousand, eight hundred thirty-eight".