288696645 has 24 divisors (see below), whose sum is σ = 516552192. Its totient is φ = 149004000.

The previous prime is 288696643. The next prime is 288696647. The reversal of 288696645 is 546696882.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (288696643) and next prime (288696647).

It is not a de Polignac number, because 288696645 - 2¹ = 288696643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 288696591 and 288696600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288696643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102081 + ... + 104870.

It is an arithmetic number, because the mean of its divisors is an integer number (21523008).

Almost surely, 2^288696645 is an apocalyptic number.

It is an amenable number.

288696645 is a deficient number, since it is larger than the sum of its proper divisors (227855547).

288696645 is a wasteful number, since it uses less digits than its factorization.

288696645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206993 (or 206990 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The square root of 288696645 is about 16991.0754515422. The cubic root of 288696645 is about 660.9174911871.

The spelling of 288696645 in words is "two hundred eighty-eight million, six hundred ninety-six thousand, six hundred forty-five".