1972424 has 16 divisors (see below), whose sum is σ = 3713820. Its totient is φ = 982080.

The previous prime is 1972423. The next prime is 1972441. The reversal of 1972424 is 4242791.

It can be written as a sum of positive squares in 2 ways, for example, as 1909924 + 62500 = 1382^2 + 250^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1972423) 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, 2654 + ... + 3314.

2^1972424 is an apocalyptic number.

It is an amenable number.

1972424 is a deficient number, since it is larger than the sum of its proper divisors (1741396).

1972424 is a wasteful number, since it uses less digits than its factorization.

1972424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040 (or 1036 counting only the distinct ones).

The product of its digits is 4032, while the sum is 29.

The square root of 1972424 is about 1404.4301335417. The cubic root of 1972424 is about 125.4103633412.

The spelling of 1972424 in words is "one million, nine hundred seventy-two thousand, four hundred twenty-four".