860984404 has 24 divisors (see below), whose sum is σ = 1751158080. Its totient is φ = 362738496.

The previous prime is 860984357. The next prime is 860984407. The reversal of 860984404 is 404489068.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (860984407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258937 + ... + 262240.

It is an arithmetic number, because the mean of its divisors is an integer number (72964920).

Almost surely, 2^860984404 is an apocalyptic number.

It is an amenable number.

860984404 is an abundant number, since it is smaller than the sum of its proper divisors (890173676).

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

860984404 is a wasteful number, since it uses less digits than its factorization.

860984404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521247 (or 521245 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The square root of 860984404 is about 29342.5357459099. The cubic root of 860984404 is about 951.3312468399.

The spelling of 860984404 in words is "eight hundred sixty million, nine hundred eighty-four thousand, four hundred four".