1863964 has 12 divisors (see below), whose sum is σ = 3338104. Its totient is φ = 910224.

The previous prime is 1863941. The next prime is 1863971. The reversal of 1863964 is 4693681.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5247 + ... + 5590.

2^1863964 is an apocalyptic number.

It is an amenable number.

1863964 is a deficient number, since it is larger than the sum of its proper divisors (1474140).

1863964 is a wasteful number, since it uses less digits than its factorization.

1863964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10884 (or 10882 counting only the distinct ones).

The product of its digits is 31104, while the sum is 37.

The square root of 1863964 is about 1365.2706691349. The cubic root of 1863964 is about 123.0681975785.

The spelling of 1863964 in words is "one million, eight hundred sixty-three thousand, nine hundred sixty-four".