1997041 has 8 divisors (see below), whose sum is σ = 2142720. Its totient is φ = 1854528.

The previous prime is 1997029. The next prime is 1997053. The reversal of 1997041 is 1407991.

It is an interprime number because it is at equal distance from previous prime (1997029) and next prime (1997053).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1997041 - 2⁹ = 1996529 is a prime.

It is a Duffinian number.

1997041 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1996994 and 1997012.

It is not an unprimeable number, because it can be changed into a prime (1997081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 600 + ... + 2086.

It is an arithmetic number, because the mean of its divisors is an integer number (267840).

2^1997041 is an apocalyptic number.

It is an amenable number.

1997041 is a deficient number, since it is larger than the sum of its proper divisors (145679).

1997041 is a wasteful number, since it uses less digits than its factorization.

1997041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 1997041 is about 1413.1670106537. The cubic root of 1997041 is about 125.9299392149.

The spelling of 1997041 in words is "one million, nine hundred ninety-seven thousand, forty-one".