1997848 has 16 divisors (see below), whose sum is σ = 3837960. Its totient is φ = 974400.

The previous prime is 1997843. The next prime is 1997851. The reversal of 1997848 is 8487991.

It is a happy number.

1997848 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1997848² = 7982793262208, which contains 22 as substring.

It is an Ulam number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 1997798 and 1997807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1997843) 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, 2718 + ... + 3373.

2^1997848 is an apocalyptic number.

It is an amenable number.

1997848 is a deficient number, since it is larger than the sum of its proper divisors (1840112).

1997848 is a wasteful number, since it uses less digits than its factorization.

1997848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6138 (or 6134 counting only the distinct ones).

The product of its digits is 145152, while the sum is 46.

The square root of 1997848 is about 1413.4525106985. The cubic root of 1997848 is about 125.9468996036.

The spelling of 1997848 in words is "one million, nine hundred ninety-seven thousand, eight hundred forty-eight".