288697852 has 6 divisors (see below), whose sum is σ = 505221248. Its totient is φ = 144348924.

The previous prime is 288697819. The next prime is 288697853. The reversal of 288697852 is 258796882.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 288697793 and 288697802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288697853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36087228 + ... + 36087235.

Almost surely, 2^288697852 is an apocalyptic number.

It is an amenable number.

288697852 is a deficient number, since it is larger than the sum of its proper divisors (216523396).

288697852 is a wasteful number, since it uses less digits than its factorization.

288697852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72174467 (or 72174465 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 55.

The square root of 288697852 is about 16991.1109701514. The cubic root of 288697852 is about 660.9184122535.

The spelling of 288697852 in words is "two hundred eighty-eight million, six hundred ninety-seven thousand, eight hundred fifty-two".