1997336 has 16 divisors (see below), whose sum is σ = 4085640. Its totient is φ = 907840.

The previous prime is 1997321. The next prime is 1997339. The reversal of 1997336 is 6337991.

It is a self number, because there is not a number n which added to its sum of digits gives 1997336.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1997339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11261 + ... + 11436.

2^1997336 is an apocalyptic number.

It is an amenable number.

1997336 is an abundant number, since it is smaller than the sum of its proper divisors (2088304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1997336 is a wasteful number, since it uses less digits than its factorization.

1997336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22714 (or 22710 counting only the distinct ones).

The product of its digits is 30618, while the sum is 38.

The square root of 1997336 is about 1413.2713822900. The cubic root of 1997336 is about 125.9361396389.

The spelling of 1997336 in words is "one million, nine hundred ninety-seven thousand, three hundred thirty-six".