1868333 has 2 divisors, whose sum is σ = 1868334. Its totient is φ = 1868332.

The previous prime is 1868309. The next prime is 1868371. The reversal of 1868333 is 3338681.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1054729 + 813604 = 1027^2 + 902^2 .

It is a cyclic number.

It is not a de Polignac number, because 1868333 - 2¹⁶ = 1802797 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1868333.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1868033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 934166 + 934167.

It is an arithmetic number, because the mean of its divisors is an integer number (934167).

2^1868333 is an apocalyptic number.

It is an amenable number.

1868333 is a deficient number, since it is larger than the sum of its proper divisors (1).

1868333 is an equidigital number, since it uses as much as digits as its factorization.

1868333 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 32.

The square root of 1868333 is about 1366.8697816544. The cubic root of 1868333 is about 123.1642769382.

The spelling of 1868333 in words is "one million, eight hundred sixty-eight thousand, three hundred thirty-three".