1971473 has 8 divisors (see below), whose sum is σ = 2385792. Its totient is φ = 1590336.

The previous prime is 1971469. The next prime is 1971479. The reversal of 1971473 is 3741791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1971473 - 2² = 1971469 is a prime.

It is a Duffinian number.

It is a Curzon number.

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 in 7 ways as a sum of consecutive naturals, for example, 8165 + ... + 8402.

It is an arithmetic number, because the mean of its divisors is an integer number (298224).

2^1971473 is an apocalyptic number.

It is an amenable number.

1971473 is a deficient number, since it is larger than the sum of its proper divisors (414319).

1971473 is a wasteful number, since it uses less digits than its factorization.

1971473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16591.

The product of its digits is 5292, while the sum is 32.

The square root of 1971473 is about 1404.0915212336. The cubic root of 1971473 is about 125.3902046552.

The spelling of 1971473 in words is "one million, nine hundred seventy-one thousand, four hundred seventy-three".