1976868 has 36 divisors (see below), whose sum is σ = 5061420. Its totient is φ = 650496.

The previous prime is 1976861. The next prime is 1976869. The reversal of 1976868 is 8686791.

It is a happy number.

1976868 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 186624 + 1790244 = 432^2 + 1338^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (1976861) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2896 + ... + 3512.

It is an arithmetic number, because the mean of its divisors is an integer number (140595).

2^1976868 is an apocalyptic number.

1976868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1976868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2530710).

1976868 is an abundant number, since it is smaller than the sum of its proper divisors (3084552).

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

1976868 is a wasteful number, since it uses less digits than its factorization.

1976868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716 (or 711 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 1976868 is about 1406.0113797548. The cubic root of 1976868 is about 125.5044786051.

The spelling of 1976868 in words is "one million, nine hundred seventy-six thousand, eight hundred sixty-eight".