1999341 has 6 divisors (see below), whose sum is σ = 2887950. Its totient is φ = 1332888.

The previous prime is 1999339. The next prime is 1999343. The reversal of 1999341 is 1439991.

It is an interprime number because it is at equal distance from previous prime (1999339) and next prime (1999343).

It can be written as a sum of positive squares in only one way, i.e., 1664100 + 335241 = 1290^2 + 579^2 .

It is not a de Polignac number, because 1999341 - 2¹ = 1999339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1999296 and 1999305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1999343) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111066 + ... + 111083.

It is an arithmetic number, because the mean of its divisors is an integer number (481325).

2^1999341 is an apocalyptic number.

It is an amenable number.

1999341 is a deficient number, since it is larger than the sum of its proper divisors (888609).

1999341 is a wasteful number, since it uses less digits than its factorization.

1999341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222155 (or 222152 counting only the distinct ones).

The product of its digits is 8748, while the sum is 36.

The square root of 1999341 is about 1413.9805514928. The cubic root of 1999341 is about 125.9782653365.

The spelling of 1999341 in words is "one million, nine hundred ninety-nine thousand, three hundred forty-one".