288268838 has 16 divisors (see below), whose sum is σ = 507998736. Its totient is φ = 120951840.

The previous prime is 288268837. The next prime is 288268843. The reversal of 288268838 is 838862882.

It is a self number, because there is not a number n which added to its sum of digits gives 288268838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288268831) 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, 503681 + ... + 504252.

It is an arithmetic number, because the mean of its divisors is an integer number (31749921).

Almost surely, 2^288268838 is an apocalyptic number.

288268838 is a deficient number, since it is larger than the sum of its proper divisors (219729898).

288268838 is a wasteful number, since it uses less digits than its factorization.

288268838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007959.

The product of its digits is 2359296, while the sum is 53.

The square root of 288268838 is about 16978.4816164462. The cubic root of 288268838 is about 660.5908681710.

The spelling of 288268838 in words is "two hundred eighty-eight million, two hundred sixty-eight thousand, eight hundred thirty-eight".