1968078 has 32 divisors (see below), whose sum is σ = 4598784. Its totient is φ = 549792.

The previous prime is 1968061. The next prime is 1968079. The reversal of 1968078 is 8708691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1968079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1476 + ... + 2472.

It is an arithmetic number, because the mean of its divisors is an integer number (143712).

2^1968078 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1968078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2299392).

1968078 is an abundant number, since it is smaller than the sum of its proper divisors (2630706).

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

1968078 is a wasteful number, since it uses less digits than its factorization.

1968078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056.

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 1968078 is about 1402.8820335295. The cubic root of 1968078 is about 125.3181867039.

The spelling of 1968078 in words is "one million, nine hundred sixty-eight thousand, seventy-eight".