288197980 has 24 divisors (see below), whose sum is σ = 691675488. Its totient is φ = 98810688.

The previous prime is 288197971. The next prime is 288197989. The reversal of 288197980 is 89791882.

It is an interprime number because it is at equal distance from previous prime (288197971) and next prime (288197989).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288197989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1029139 + ... + 1029418.

It is an arithmetic number, because the mean of its divisors is an integer number (28819812).

Almost surely, 2^288197980 is an apocalyptic number.

288197980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

288197980 is an abundant number, since it is smaller than the sum of its proper divisors (403477508).

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

288197980 is a wasteful number, since it uses less digits than its factorization.

288197980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2058573 (or 2058571 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 52.

The square root of 288197980 is about 16976.3947880579. The cubic root of 288197980 is about 660.5367381630.

The spelling of 288197980 in words is "two hundred eighty-eight million, one hundred ninety-seven thousand, nine hundred eighty".