1972916 has 12 divisors (see below), whose sum is σ = 3766560. Its totient is φ = 896760.

The previous prime is 1972913. The next prime is 1972921. The reversal of 1972916 is 6192791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1972913) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 22376 + ... + 22463.

It is an arithmetic number, because the mean of its divisors is an integer number (313880).

2^1972916 is an apocalyptic number.

It is an amenable number.

1972916 is a deficient number, since it is larger than the sum of its proper divisors (1793644).

1972916 is a wasteful number, since it uses less digits than its factorization.

1972916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44854 (or 44852 counting only the distinct ones).

The product of its digits is 6804, while the sum is 35.

The square root of 1972916 is about 1404.6052826328. The cubic root of 1972916 is about 125.4207898974.

It can be divided in two parts, 197 and 2916, that added together give a palindrome (3113).

The spelling of 1972916 in words is "one million, nine hundred seventy-two thousand, nine hundred sixteen".