1997282 has 16 divisors (see below), whose sum is σ = 3447360. Its totient is φ = 850128.

The previous prime is 1997269. The next prime is 1997293. The reversal of 1997282 is 2827991.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2108 + ... + 2904.

It is an arithmetic number, because the mean of its divisors is an integer number (215460).

2^1997282 is an apocalyptic number.

1997282 is a deficient number, since it is larger than the sum of its proper divisors (1450078).

1997282 is a wasteful number, since it uses less digits than its factorization.

1997282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985.

The product of its digits is 18144, while the sum is 38.

The square root of 1997282 is about 1413.2522775499. The cubic root of 1997282 is about 125.9350046917.

The spelling of 1997282 in words is "one million, nine hundred ninety-seven thousand, two hundred eighty-two".