1997852 has 12 divisors (see below), whose sum is σ = 3591000. Its totient is φ = 971856.

The previous prime is 1997851. The next prime is 1997867. The reversal of 1997852 is 2587991.

It is a super-2 number, since 2×1997852² = 7982825227808, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1997851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6602 + ... + 6897.

It is an arithmetic number, because the mean of its divisors is an integer number (299250).

2^1997852 is an apocalyptic number.

It is an amenable number.

1997852 is a deficient number, since it is larger than the sum of its proper divisors (1593148).

1997852 is a wasteful number, since it uses less digits than its factorization.

1997852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13540 (or 13538 counting only the distinct ones).

The product of its digits is 45360, while the sum is 41.

The square root of 1997852 is about 1413.4539256729. The cubic root of 1997852 is about 125.9469836586.

The spelling of 1997852 in words is "one million, nine hundred ninety-seven thousand, eight hundred fifty-two".