68839516 has 12 divisors (see below), whose sum is σ = 120604288. Its totient is φ = 34381152.

The previous prime is 68839501. The next prime is 68839523. The reversal of 68839516 is 61593886.

It is a super-2 number, since 2×68839516² = 9477757926228512, which contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5436 + ... + 12931.

Almost surely, 2^68839516 is an apocalyptic number.

It is an amenable number.

68839516 is a deficient number, since it is larger than the sum of its proper divisors (51764772).

68839516 is a wasteful number, since it uses less digits than its factorization.

68839516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19308 (or 19306 counting only the distinct ones).

The product of its digits is 311040, while the sum is 46.

The square root of 68839516 is about 8296.9582378122. The cubic root of 68839516 is about 409.8383578556.

It can be divided in two parts, 688 and 39516, that added together give a palindrome (40204).

The spelling of 68839516 in words is "sixty-eight million, eight hundred thirty-nine thousand, five hundred sixteen".