1972444 has 6 divisors (see below), whose sum is σ = 3451784. Its totient is φ = 986220.

The previous prime is 1972441. The next prime is 1972471. The reversal of 1972444 is 4442791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1972441) 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 as a sum of consecutive naturals, namely, 246552 + ... + 246559.

2^1972444 is an apocalyptic number.

It is an amenable number.

1972444 is a deficient number, since it is larger than the sum of its proper divisors (1479340).

1972444 is a wasteful number, since it uses less digits than its factorization.

1972444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493115 (or 493113 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 1972444 is about 1404.4372538494. The cubic root of 1972444 is about 125.4107872188.

The spelling of 1972444 in words is "one million, nine hundred seventy-two thousand, four hundred forty-four".