1941869 has 6 divisors (see below), whose sum is σ = 2012010. Its totient is φ = 1874096.

The previous prime is 1941851. The next prime is 1941881. The reversal of 1941869 is 9681491.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 619369 + 1322500 = 787^2 + 1150^2 .

It is not a de Polignac number, because 1941869 - 2¹⁶ = 1876333 is a prime.

It is a super-2 number, since 2×1941869² = 7541710426322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1941839) 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, 314 + ... + 1995.

It is an arithmetic number, because the mean of its divisors is an integer number (335335).

2^1941869 is an apocalyptic number.

It is an amenable number.

1941869 is a deficient number, since it is larger than the sum of its proper divisors (70141).

1941869 is an equidigital number, since it uses as much as digits as its factorization.

1941869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2367 (or 2338 counting only the distinct ones).

The product of its digits is 15552, while the sum is 38.

The square root of 1941869 is about 1393.5095981011. The cubic root of 1941869 is about 124.7594092257.

The spelling of 1941869 in words is "one million, nine hundred forty-one thousand, eight hundred sixty-nine".