260816984 has 8 divisors (see below), whose sum is σ = 489031860. Its totient is φ = 130408488.

The previous prime is 260816957. The next prime is 260817001. The reversal of 260816984 is 489618062.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 16301054 + ... + 16301069.

Almost surely, 2^260816984 is an apocalyptic number.

It is an amenable number.

260816984 is a deficient number, since it is larger than the sum of its proper divisors (228214876).

260816984 is a wasteful number, since it uses less digits than its factorization.

260816984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32602129 (or 32602125 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 260816984 is about 16149.8292251033. The cubic root of 260816984 is about 638.9182442142.

The spelling of 260816984 in words is "two hundred sixty million, eight hundred sixteen thousand, nine hundred eighty-four".