1868807 has 2 divisors, whose sum is σ = 1868808. Its totient is φ = 1868806.

The previous prime is 1868777. The next prime is 1868813. The reversal of 1868807 is 7088681.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1868807 - 2¹⁰ = 1867783 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1868837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 934403 + 934404.

It is an arithmetic number, because the mean of its divisors is an integer number (934404).

2^1868807 is an apocalyptic number.

1868807 is a deficient number, since it is larger than the sum of its proper divisors (1).

1868807 is an equidigital number, since it uses as much as digits as its factorization.

1868807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 38.

The square root of 1868807 is about 1367.0431595235. The cubic root of 1868807 is about 123.1746917360.

The spelling of 1868807 in words is "one million, eight hundred sixty-eight thousand, eight hundred seven".