288429994 has 16 divisors (see below), whose sum is σ = 456144480. Its totient is φ = 136406160.

The previous prime is 288429989. The next prime is 288430019. The reversal of 288429994 is 499924882.

It is a super-2 number, since 2×288429994² = 166383722877680072, which contains 22 as substring.

It is an unprimeable number.

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, 19377 + ... + 30859.

It is an arithmetic number, because the mean of its divisors is an integer number (28509030).

Almost surely, 2^288429994 is an apocalyptic number.

288429994 is a deficient number, since it is larger than the sum of its proper divisors (167714486).

288429994 is a wasteful number, since it uses less digits than its factorization.

288429994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12165.

The product of its digits is 2985984, while the sum is 55.

The square root of 288429994 is about 16983.2268429766. The cubic root of 288429994 is about 660.7139458167.

The spelling of 288429994 in words is "two hundred eighty-eight million, four hundred twenty-nine thousand, nine hundred ninety-four".