1971482 has 4 divisors (see below), whose sum is σ = 2957226. Its totient is φ = 985740.

The previous prime is 1971481. The next prime is 1971503. The reversal of 1971482 is 2841791.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2841791 = 137 ⋅20743.

It can be written as a sum of positive squares in only one way, i.e., 1510441 + 461041 = 1229^2 + 679^2 .

It is not an unprimeable number, because it can be changed into a prime (1971481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492869 + ... + 492872.

2^1971482 is an apocalyptic number.

1971482 is a deficient number, since it is larger than the sum of its proper divisors (985744).

1971482 is an equidigital number, since it uses as much as digits as its factorization.

1971482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985743.

The product of its digits is 4032, while the sum is 32.

The square root of 1971482 is about 1404.0947261492. The cubic root of 1971482 is about 125.3903954617.

The spelling of 1971482 in words is "one million, nine hundred seventy-one thousand, four hundred eighty-two".