1863268 has 48 divisors (see below), whose sum is σ = 3919104. Its totient is φ = 765440.

The previous prime is 1863263. The next prime is 1863269. The reversal of 1863268 is 8623681.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1863263) 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 15 ways as a sum of consecutive naturals, for example, 35130 + ... + 35182.

It is an arithmetic number, because the mean of its divisors is an integer number (81648).

2^1863268 is an apocalyptic number.

It is an amenable number.

1863268 is an abundant number, since it is smaller than the sum of its proper divisors (2055836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1863268 is a wasteful number, since it uses less digits than its factorization.

1863268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 130 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 1863268 is about 1365.0157508249. The cubic root of 1863268 is about 123.0528778748.

The spelling of 1863268 in words is "one million, eight hundred sixty-three thousand, two hundred sixty-eight".