1836761 has 2 divisors, whose sum is σ = 1836762. Its totient is φ = 1836760.

The previous prime is 1836733. The next prime is 1836763. The reversal of 1836761 is 1676381.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1081600 + 755161 = 1040^2 + 869^2 .

It is a cyclic number.

It is not a de Polignac number, because 1836761 - 2¹⁰ = 1835737 is a prime.

It is a super-2 number, since 2×1836761² = 6747381942242, which contains 22 as substring.

Together with 1836763, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (1836763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 918380 + 918381.

It is an arithmetic number, because the mean of its divisors is an integer number (918381).

2^1836761 is an apocalyptic number.

It is an amenable number.

1836761 is a deficient number, since it is larger than the sum of its proper divisors (1).

1836761 is an equidigital number, since it uses as much as digits as its factorization.

1836761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 32.

The square root of 1836761 is about 1355.2715595039. The cubic root of 1836761 is about 122.4665686919.

The spelling of 1836761 in words is "one million, eight hundred thirty-six thousand, seven hundred sixty-one".