288749416 has 16 divisors (see below), whose sum is σ = 543407040. Its totient is φ = 143840880.

The previous prime is 288749399. The next prime is 288749473. The reversal of 288749416 is 614947882.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 288749416.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64426 + ... + 68761.

It is an arithmetic number, because the mean of its divisors is an integer number (33962940).

Almost surely, 2^288749416 is an apocalyptic number.

It is an amenable number.

288749416 is a deficient number, since it is larger than the sum of its proper divisors (254657624).

288749416 is a wasteful number, since it uses less digits than its factorization.

288749416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133464 (or 133460 counting only the distinct ones).

The product of its digits is 774144, while the sum is 49.

The square root of 288749416 is about 16992.6282840531. The cubic root of 288749416 is about 660.9577585435.

The spelling of 288749416 in words is "two hundred eighty-eight million, seven hundred forty-nine thousand, four hundred sixteen".