1868463 has 24 divisors (see below), whose sum is σ = 2877056. Its totient is φ = 1166400.

The previous prime is 1868459. The next prime is 1868483. The reversal of 1868463 is 3648681.

It is a happy number.

It is not a de Polignac number, because 1868463 - 2² = 1868459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1868423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10233 + ... + 10413.

2^1868463 is an apocalyptic number.

1868463 is a deficient number, since it is larger than the sum of its proper divisors (1008593).

1868463 is a wasteful number, since it uses less digits than its factorization.

1868463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255 (or 252 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 1868463 is about 1366.9173347354. The cubic root of 1868463 is about 123.1671334927.

It can be divided in two parts, 186 and 8463, that added together give a square (8649 = 93²).

The spelling of 1868463 in words is "one million, eight hundred sixty-eight thousand, four hundred sixty-three".