865483384 has 16 divisors (see below), whose sum is σ = 1625202720. Its totient is φ = 432096000.

The previous prime is 865483369. The next prime is 865483417. The reversal of 865483384 is 483384568.

It is a super-2 number, since 2×865483384² = 1498122975960182912, which contains 22 as substring.

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, 74992 + ... + 85759.

It is an arithmetic number, because the mean of its divisors is an integer number (101575170).

Almost surely, 2^865483384 is an apocalyptic number.

It is an amenable number.

865483384 is a deficient number, since it is larger than the sum of its proper divisors (759719336).

865483384 is a wasteful number, since it uses less digits than its factorization.

865483384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161430 (or 161426 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 49.

The square root of 865483384 is about 29419.0989664877. The cubic root of 865483384 is about 952.9853948413.

The spelling of 865483384 in words is "eight hundred sixty-five million, four hundred eighty-three thousand, three hundred eighty-four".