2027997 has 10 divisors (see below), whose sum is σ = 3029598. Its totient is φ = 1351944.

The previous prime is 2027959. The next prime is 2028017. The reversal of 2027997 is 7997202.

It can be written as a sum of positive squares in only one way, i.e., 1726596 + 301401 = 1314^2 + 549^2 .

It is not a de Polignac number, because 2027997 - 2⁷ = 2027869 is a prime.

It is a super-2 number, since 2×2027997² = 8225543664018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2027297) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 12438 + ... + 12599.

2^2027997 is an apocalyptic number.

2027997 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2027997 is a deficient number, since it is larger than the sum of its proper divisors (1001601).

2027997 is an equidigital number, since it uses as much as digits as its factorization.

2027997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25049 (or 25040 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The square root of 2027997 is about 1424.0775962004. The cubic root of 2027997 is about 126.5772830469.

The spelling of 2027997 in words is "two million, twenty-seven thousand, nine hundred ninety-seven".