288161438 has 16 divisors (see below), whose sum is σ = 440965824. Its totient is φ = 141190560.

The previous prime is 288161437. The next prime is 288161459. The reversal of 288161438 is 834161882.

It is a junction number, because it is equal to n+sod(n) for n = 288161395 and 288161404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288161437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29531 + ... + 38057.

It is an arithmetic number, because the mean of its divisors is an integer number (27560364).

Almost surely, 2^288161438 is an apocalyptic number.

288161438 is a deficient number, since it is larger than the sum of its proper divisors (152804386).

288161438 is a wasteful number, since it uses less digits than its factorization.

288161438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8867.

The product of its digits is 73728, while the sum is 41.

The square root of 288161438 is about 16975.3184948030. The cubic root of 288161438 is about 660.5088194458.

The spelling of 288161438 in words is "two hundred eighty-eight million, one hundred sixty-one thousand, four hundred thirty-eight".