1997182 has 16 divisors (see below), whose sum is σ = 3411072. Its totient is φ = 868120.

The previous prime is 1997179. The next prime is 1997183. The reversal of 1997182 is 2817991.

It is a super-2 number, since 2×1997182² = 7977471882248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1997183) 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, 1468 + ... + 2479.

It is an arithmetic number, because the mean of its divisors is an integer number (213192).

2^1997182 is an apocalyptic number.

1997182 is a deficient number, since it is larger than the sum of its proper divisors (1413890).

1997182 is a wasteful number, since it uses less digits than its factorization.

1997182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3983.

The product of its digits is 9072, while the sum is 37.

The square root of 1997182 is about 1413.2168977195. The cubic root of 1997182 is about 125.9329028835.

It can be divided in two parts, 199 and 7182, that added together give a triangular number (7381 = T₁₂₁).

The spelling of 1997182 in words is "one million, nine hundred ninety-seven thousand, one hundred eighty-two".