288404946 has 24 divisors (see below), whose sum is σ = 625818960. Its totient is φ = 95990136.

The previous prime is 288404939. The next prime is 288404951. The reversal of 288404946 is 649404882.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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 11 ways as a sum of consecutive naturals, for example, 565 + ... + 24023.

It is an arithmetic number, because the mean of its divisors is an integer number (26075790).

Almost surely, 2^288404946 is an apocalyptic number.

288404946 is an abundant number, since it is smaller than the sum of its proper divisors (337414014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

288404946 is a wasteful number, since it uses less digits than its factorization.

288404946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24150 (or 24147 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The square root of 288404946 is about 16982.4893934900. The cubic root of 288404946 is about 660.6948192321.

The spelling of 288404946 in words is "two hundred eighty-eight million, four hundred four thousand, nine hundred forty-six".