1997276 has 12 divisors (see below), whose sum is σ = 3511872. Its totient is φ = 993888.

The previous prime is 1997269. The next prime is 1997293. The reversal of 1997276 is 6727991.

It is a happy number.

It is a super-2 number, since 2×1997276² = 7978222840352, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140 + ... + 2003.

It is an arithmetic number, because the mean of its divisors is an integer number (292656).

2^1997276 is an apocalyptic number.

It is an amenable number.

1997276 is a deficient number, since it is larger than the sum of its proper divisors (1514596).

1997276 is a wasteful number, since it uses less digits than its factorization.

1997276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2380 (or 2378 counting only the distinct ones).

The product of its digits is 47628, while the sum is 41.

The square root of 1997276 is about 1413.2501547851. The cubic root of 1997276 is about 125.9348785852.

The spelling of 1997276 in words is "one million, nine hundred ninety-seven thousand, two hundred seventy-six".