1974447 has 12 divisors (see below), whose sum is σ = 2889120. Its totient is φ = 1299168.

The previous prime is 1974433. The next prime is 1974457. The reversal of 1974447 is 7444791.

It is not a de Polignac number, because 1974447 - 2⁶ = 1974383 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1974457) 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 11 ways as a sum of consecutive naturals, for example, 678 + ... + 2099.

It is an arithmetic number, because the mean of its divisors is an integer number (240760).

2^1974447 is an apocalyptic number.

1974447 is a deficient number, since it is larger than the sum of its proper divisors (914673).

1974447 is a wasteful number, since it uses less digits than its factorization.

1974447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2862 (or 2859 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 1974447 is about 1405.1501699107. The cubic root of 1974447 is about 125.4532240509.

It can be divided in two parts, 19744 and 47, that added together give a palindrome (19791).

The spelling of 1974447 in words is "one million, nine hundred seventy-four thousand, four hundred forty-seven".