2044197 has 10 divisors (see below), whose sum is σ = 3053798. Its totient is φ = 1362744.

The previous prime is 2044187. The next prime is 2044201. The reversal of 2044197 is 7914402.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1920996 + 123201 = 1386^2 + 351^2 .

It is not a de Polignac number, because 2044197 - 2⁷ = 2044069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2044197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2044127) 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 9 ways as a sum of consecutive naturals, for example, 12538 + ... + 12699.

2^2044197 is an apocalyptic number.

2044197 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2044197 is a deficient number, since it is larger than the sum of its proper divisors (1009601).

2044197 is an equidigital number, since it uses as much as digits as its factorization.

2044197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25249 (or 25240 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 2044197 is about 1429.7541746748. The cubic root of 2044197 is about 126.9134301632.

Adding to 2044197 its reverse (7914402), we get a palindrome (9958599).

The spelling of 2044197 in words is "two million, forty-four thousand, one hundred ninety-seven".