1971448 has 16 divisors (see below), whose sum is σ = 3714480. Its totient is φ = 980928.

The previous prime is 1971443. The next prime is 1971451. The reversal of 1971448 is 8441791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1971443) 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, 1636 + ... + 2572.

It is an arithmetic number, because the mean of its divisors is an integer number (232155).

2^1971448 is an apocalyptic number.

It is an amenable number.

1971448 is a deficient number, since it is larger than the sum of its proper divisors (1743032).

1971448 is a wasteful number, since it uses less digits than its factorization.

1971448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206 (or 1202 counting only the distinct ones).

The product of its digits is 8064, while the sum is 34.

The square root of 1971448 is about 1404.0826186518. The cubic root of 1971448 is about 125.3896746338.

The spelling of 1971448 in words is "one million, nine hundred seventy-one thousand, four hundred forty-eight".