288694980 has 72 divisors (see below), whose sum is σ = 1000813632. Its totient is φ = 65987136.

The previous prime is 288694921. The next prime is 288695023. The reversal of 288694980 is 89496882.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113302 + ... + 115821.

Almost surely, 2^288694980 is an apocalyptic number.

288694980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

288694980 is an abundant number, since it is smaller than the sum of its proper divisors (712118652).

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

288694980 is a wasteful number, since it uses less digits than its factorization.

288694980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229145 (or 229140 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 54.

The square root of 288694980 is about 16991.0264551616. The cubic root of 288694980 is about 660.9162206150.

The spelling of 288694980 in words is "two hundred eighty-eight million, six hundred ninety-four thousand, nine hundred eighty".