68898984 has 128 divisors (see below), whose sum is σ = 224225280. Its totient is φ = 17107200.

The previous prime is 68898971. The next prime is 68899013. The reversal of 68898984 is 48989886.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41694 + ... + 43314.

It is an arithmetic number, because the mean of its divisors is an integer number (1751760).

Almost surely, 2^68898984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68898984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112112640).

68898984 is an abundant number, since it is smaller than the sum of its proper divisors (155326296).

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

68898984 is a wasteful number, since it uses less digits than its factorization.

68898984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671 (or 1667 counting only the distinct ones).

The product of its digits is 7962624, while the sum is 60.

The square root of 68898984 is about 8300.5411871757. The cubic root of 68898984 is about 409.9563387970.

The spelling of 68898984 in words is "sixty-eight million, eight hundred ninety-eight thousand, nine hundred eighty-four".