1864363 has 2 divisors, whose sum is σ = 1864364. Its totient is φ = 1864362.

The previous prime is 1864361. The next prime is 1864391. The reversal of 1864363 is 3634681.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1864363 - 2¹ = 1864361 is a prime.

Together with 1864361, it forms a pair of twin primes.

It is a d-powerful number, because it can be written as 1 + 8 + 6 + 4⁵ + 3⁸ + 6⁸ + 3¹¹ .

1864363 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1864361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 932181 + 932182.

It is an arithmetic number, because the mean of its divisors is an integer number (932182).

2^1864363 is an apocalyptic number.

1864363 is a deficient number, since it is larger than the sum of its proper divisors (1).

1864363 is an equidigital number, since it uses as much as digits as its factorization.

1864363 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 31.

The square root of 1864363 is about 1365.4167861865. The cubic root of 1864363 is about 123.0769782752.

The spelling of 1864363 in words is "one million, eight hundred sixty-four thousand, three hundred sixty-three".