68246388 has 60 divisors (see below), whose sum is σ = 203903392. Its totient is φ = 19498320.

The previous prime is 68246383. The next prime is 68246393. The reversal of 68246388 is 88364286.

It is a happy number.

68246388 is a `hidden beast` number, since 6 + 8 + 2 + 4 + 638 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (68246383) and next prime (68246393).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68246383) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12778 + ... + 17313.

Almost surely, 2^68246388 is an apocalyptic number.

It is an amenable number.

68246388 is an abundant number, since it is smaller than the sum of its proper divisors (135657004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68246388 is a wasteful number, since it uses less digits than its factorization.

68246388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30114 (or 30103 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The square root of 68246388 is about 8261.1372098519. The cubic root of 68246388 is about 408.6578918794.

The spelling of 68246388 in words is "sixty-eight million, two hundred forty-six thousand, three hundred eighty-eight".