260828556 has 24 divisors (see below), whose sum is σ = 635061504. Its totient is φ = 83162640.

The previous prime is 260828549. The next prime is 260828563. The reversal of 260828556 is 655828062.

It is an interprime number because it is at equal distance from previous prime (260828549) and next prime (260828563).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 472240 + ... + 472791.

It is an arithmetic number, because the mean of its divisors is an integer number (26460896).

Almost surely, 2^260828556 is an apocalyptic number.

It is an amenable number.

260828556 is an abundant number, since it is smaller than the sum of its proper divisors (374232948).

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

260828556 is a wasteful number, since it uses less digits than its factorization.

260828556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945061 (or 945059 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The square root of 260828556 is about 16150.1874911717. The cubic root of 260828556 is about 638.9276933081.

The spelling of 260828556 in words is "two hundred sixty million, eight hundred twenty-eight thousand, five hundred fifty-six".