4287904 has 24 divisors (see below), whose sum is σ = 8624448. Its totient is φ = 2097600.

The previous prime is 4287887. The next prime is 4287919. The reversal of 4287904 is 4097824.

It is a happy number.

It is a super-2 number, since 2×4287904² = 36772241426432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4287904.

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, 79 + ... + 2929.

It is an arithmetic number, because the mean of its divisors is an integer number (359352).

Almost surely, 2^4287904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4287904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4312224).

4287904 is an abundant number, since it is smaller than the sum of its proper divisors (4336544).

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

4287904 is a wasteful number, since it uses less digits than its factorization.

4287904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2908 (or 2900 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 4287904 is about 2070.7254767351. The cubic root of 4287904 is about 162.4607116064.

The spelling of 4287904 in words is "four million, two hundred eighty-seven thousand, nine hundred four".