1997248 has 28 divisors (see below), whose sum is σ = 4325112. Its totient is φ = 907520.

The previous prime is 1997243. The next prime is 1997257. The reversal of 1997248 is 8427991.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1997248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1997243) 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, 715 + ... + 2122.

2^1997248 is an apocalyptic number.

It is an amenable number.

1997248 is an abundant number, since it is smaller than the sum of its proper divisors (2327864).

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

1997248 is a wasteful number, since it uses less digits than its factorization.

1997248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2860 (or 2850 counting only the distinct ones).

The product of its digits is 36288, while the sum is 40.

The square root of 1997248 is about 1413.2402485070. The cubic root of 1997248 is about 125.9342900848.

It can be divided in two parts, 199 and 7248, that added together give a palindrome (7447).

The spelling of 1997248 in words is "one million, nine hundred ninety-seven thousand, two hundred forty-eight".