1868837 has 2 divisors, whose sum is σ = 1868838. Its totient is φ = 1868836.

The previous prime is 1868813. The next prime is 1868843. The reversal of 1868837 is 7388681.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1811716 + 57121 = 1346^2 + 239^2 .

It is a cyclic number.

It is not a de Polignac number, because 1868837 - 2¹⁰ = 1867813 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1868794 and 1868803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1868807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 934418 + 934419.

It is an arithmetic number, because the mean of its divisors is an integer number (934419).

2^1868837 is an apocalyptic number.

It is an amenable number.

1868837 is a deficient number, since it is larger than the sum of its proper divisors (1).

1868837 is an equidigital number, since it uses as much as digits as its factorization.

1868837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 41.

The square root of 1868837 is about 1367.0541320665. The cubic root of 1868837 is about 123.1753508411.

The spelling of 1868837 in words is "one million, eight hundred sixty-eight thousand, eight hundred thirty-seven".