1972449 has 12 divisors (see below), whose sum is σ = 2910336. Its totient is φ = 1286712.

The previous prime is 1972441. The next prime is 1972471. The reversal of 1972449 is 9442791.

It is not a de Polignac number, because 1972449 - 2³ = 1972441 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1972441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1909 + ... + 2754.

It is an arithmetic number, because the mean of its divisors is an integer number (242528).

2^1972449 is an apocalyptic number.

It is an amenable number.

1972449 is a deficient number, since it is larger than the sum of its proper divisors (937887).

1972449 is a wasteful number, since it uses less digits than its factorization.

1972449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4716 (or 4713 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 1972449 is about 1404.4390339207. The cubic root of 1972449 is about 125.4108931877.

The spelling of 1972449 in words is "one million, nine hundred seventy-two thousand, four hundred forty-nine".