1971472 has 10 divisors (see below), whose sum is σ = 3819758. Its totient is φ = 985728.

The previous prime is 1971469. The next prime is 1971479. The reversal of 1971472 is 2741791.

It can be written as a sum of positive squares in only one way, i.e., 1971216 + 256 = 1404^2 + 16^2 .

It is not an unprimeable number, because it can be changed into a prime (1971479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61593 + ... + 61624.

2^1971472 is an apocalyptic number.

It is an amenable number.

1971472 is a deficient number, since it is larger than the sum of its proper divisors (1848286).

1971472 is a wasteful number, since it uses less digits than its factorization.

1971472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123225 (or 123219 counting only the distinct ones).

The product of its digits is 3528, while the sum is 31.

The square root of 1971472 is about 1404.0911651314. The cubic root of 1971472 is about 125.3901834544.

The spelling of 1971472 in words is "one million, nine hundred seventy-one thousand, four hundred seventy-two".