288742106 has 16 divisors (see below), whose sum is σ = 442579680. Its totient is φ = 141239280.

The previous prime is 288742087. The next prime is 288742109. The reversal of 288742106 is 601247882.

It is a self number, because there is not a number n which added to its sum of digits gives 288742106.

It is not an unprimeable number, because it can be changed into a prime (288742109) 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, 19100 + ... + 30696.

It is an arithmetic number, because the mean of its divisors is an integer number (27661230).

Almost surely, 2^288742106 is an apocalyptic number.

288742106 is a deficient number, since it is larger than the sum of its proper divisors (153837574).

288742106 is a wasteful number, since it uses less digits than its factorization.

288742106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11869.

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 288742106 is about 16992.4131894207. The cubic root of 288742106 is about 660.9521808791.

Adding to 288742106 its reverse (601247882), we get a palindrome (889989988).

The spelling of 288742106 in words is "two hundred eighty-eight million, seven hundred forty-two thousand, one hundred six".