1972684 has 24 divisors (see below), whose sum is σ = 4032000. Its totient is φ = 826896.

The previous prime is 1972669. The next prime is 1972717. The reversal of 1972684 is 4862791.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 567 + ... + 2065.

It is an arithmetic number, because the mean of its divisors is an integer number (168000).

2^1972684 is an apocalyptic number.

1972684 is a gapful number since it is divisible by the number (14) 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 1972684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2016000).

1972684 is an abundant number, since it is smaller than the sum of its proper divisors (2059316).

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

1972684 is a wasteful number, since it uses less digits than its factorization.

1972684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557 (or 1555 counting only the distinct ones).

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

The square root of 1972684 is about 1404.5226947259. The cubic root of 1972684 is about 125.4158735259.

The spelling of 1972684 in words is "one million, nine hundred seventy-two thousand, six hundred eighty-four".