1866332 has 24 divisors (see below), whose sum is σ = 3704400. Its totient is φ = 815616.

The previous prime is 1866331. The next prime is 1866341. The reversal of 1866332 is 2336681.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1866295 and 1866304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1866331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44 + ... + 1932.

It is an arithmetic number, because the mean of its divisors is an integer number (154350).

2^1866332 is an apocalyptic number.

It is an amenable number.

1866332 is a deficient number, since it is larger than the sum of its proper divisors (1838068).

1866332 is a wasteful number, since it uses less digits than its factorization.

1866332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1925 (or 1923 counting only the distinct ones).

The product of its digits is 5184, while the sum is 29.

The square root of 1866332 is about 1366.1376211788. The cubic root of 1866332 is about 123.1202912472.

The spelling of 1866332 in words is "one million, eight hundred sixty-six thousand, three hundred thirty-two".