973863 has 20 divisors (see below), whose sum is σ = 1588488. Its totient is φ = 589680.

The previous prime is 973853. The next prime is 973891. The reversal of 973863 is 368379.

It is not a de Polignac number, because 973863 - 2¹² = 969767 is a prime.

It is a super-3 number, since 3×973863³ = 2770861719013339941, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (973813) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 345 + ... + 1437.

2⁹⁷³⁸⁶³ is an apocalyptic number.

973863 is a deficient number, since it is larger than the sum of its proper divisors (614625).

973863 is a wasteful number, since it uses less digits than its factorization.

973863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116 (or 1107 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 973863 is about 986.8449726274. The cubic root of 973863 is about 99.1210640155.

It can be divided in two parts, 9738 and 63, that added together give a square (9801 = 99²).

The spelling of 973863 in words is "nine hundred seventy-three thousand, eight hundred sixty-three".