1968516 has 48 divisors (see below), whose sum is σ = 5570880. Its totient is φ = 596160.

The previous prime is 1968487. The next prime is 1968521. The reversal of 1968516 is 6158691.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 360 + ... + 2016.

It is an arithmetic number, because the mean of its divisors is an integer number (116060).

2^1968516 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 1968516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2785440).

1968516 is an abundant number, since it is smaller than the sum of its proper divisors (3602364).

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

1968516 is a wasteful number, since it uses less digits than its factorization.

1968516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681 (or 1673 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 1968516 is about 1403.0381320549. The cubic root of 1968516 is about 125.3274826251.

It can be divided in two parts, 19685 and 16, that added together give a triangular number (19701 = T₁₉₈).

The spelling of 1968516 in words is "one million, nine hundred sixty-eight thousand, five hundred sixteen".