288697896 has 48 divisors (see below), whose sum is σ = 786245460. Its totient is φ = 95696640.

The previous prime is 288697891. The next prime is 288697901. The reversal of 288697896 is 698796882.

It is an interprime number because it is at equal distance from previous prime (288697891) and next prime (288697901).

It can be written as a sum of positive squares in 2 ways, for example, as 192932100 + 95765796 = 13890^2 + 9786^2 .

It is not an unprimeable number, because it can be changed into a prime (288697891) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1956 + ... + 24108.

Almost surely, 2^288697896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 288697896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (393122730).

288697896 is an abundant number, since it is smaller than the sum of its proper divisors (497547564).

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

288697896 is a wasteful number, since it uses less digits than its factorization.

288697896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22346 (or 22339 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 63.

The square root of 288697896 is about 16991.1122649460. The cubic root of 288697896 is about 660.9184458300.

The spelling of 288697896 in words is "two hundred eighty-eight million, six hundred ninety-seven thousand, eight hundred ninety-six".