1968724 has 12 divisors (see below), whose sum is σ = 3455284. Its totient is φ = 981504.

The previous prime is 1968721. The next prime is 1968739. The reversal of 1968724 is 4278691.

It can be written as a sum of positive squares in 2 ways, for example, as 1140624 + 828100 = 1068^2 + 910^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1968721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1882 + ... + 2734.

2^1968724 is an apocalyptic number.

It is an amenable number.

1968724 is a deficient number, since it is larger than the sum of its proper divisors (1486560).

1968724 is a wasteful number, since it uses less digits than its factorization.

1968724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434 (or 1432 counting only the distinct ones).

The product of its digits is 24192, while the sum is 37.

The square root of 1968724 is about 1403.1122549533. The cubic root of 1968724 is about 125.3318966437.

The spelling of 1968724 in words is "one million, nine hundred sixty-eight thousand, seven hundred twenty-four".