288671004 has 18 divisors (see below), whose sum is σ = 729696240. Its totient is φ = 96223656.

The previous prime is 288670979. The next prime is 288671021. The reversal of 288671004 is 400176882.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 8018639 = 288671004 / (2 + 8 + 8 + 6 + 7 + 1 + 0 + 0 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 288671004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4009284 + ... + 4009355.

It is an arithmetic number, because the mean of its divisors is an integer number (40538680).

Almost surely, 2^288671004 is an apocalyptic number.

It is an amenable number.

288671004 is an abundant number, since it is smaller than the sum of its proper divisors (441025236).

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

288671004 is a wasteful number, since it uses less digits than its factorization.

288671004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8018649 (or 8018644 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 288671004 is about 16990.3208916136. The cubic root of 288671004 is about 660.8979238345.

The spelling of 288671004 in words is "two hundred eighty-eight million, six hundred seventy-one thousand, four".