288479444 has 24 divisors (see below), whose sum is σ = 564169536. Its totient is φ = 127928000.

The previous prime is 288479441. The next prime is 288479449. The reversal of 288479444 is 444974882.

It is a happy number.

It is a super-2 number, since 2×288479444² = 166440779221098272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 288479392 and 288479401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288479441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78152 + ... + 81759.

It is an arithmetic number, because the mean of its divisors is an integer number (23507064).

Almost surely, 2^288479444 is an apocalyptic number.

It is an amenable number.

288479444 is a deficient number, since it is larger than the sum of its proper divisors (275690092).

288479444 is a wasteful number, since it uses less digits than its factorization.

288479444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159967 (or 159965 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 50.

The square root of 288479444 is about 16984.6826287688. The cubic root of 288479444 is about 660.7517024512.

It can be divided in two parts, 2884 and 79444, that added together give a palindrome (82328).

The spelling of 288479444 in words is "two hundred eighty-eight million, four hundred seventy-nine thousand, four hundred forty-four".