4247904 has 24 divisors (see below), whose sum is σ = 11151000. Its totient is φ = 1415936.

The previous prime is 4247863. The next prime is 4247917. The reversal of 4247904 is 4097424.

It is a tau number, because it is divible by the number of its divisors (24).

It is a d-powerful number, because it can be written as 4⁶ + 2¹⁵ + 4⁷ + 7³ + 9 + 0 + 4¹¹ .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22029 + ... + 22220.

It is an arithmetic number, because the mean of its divisors is an integer number (464625).

Almost surely, 2^4247904 is an apocalyptic number.

It is an amenable number.

4247904 is an abundant number, since it is smaller than the sum of its proper divisors (6903096).

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

4247904 is a wasteful number, since it uses less digits than its factorization.

4247904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44262 (or 44254 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 4247904 is about 2061.0443954462. The cubic root of 4247904 is about 161.9539573466.

It can be divided in two parts, 4247 and 904, that added together give a triangular number (5151 = T₁₀₁).

The spelling of 4247904 in words is "four million, two hundred forty-seven thousand, nine hundred four".