4247236 has 12 divisors (see below), whose sum is σ = 8494528. Its totient is φ = 1820232.

The previous prime is 4247227. The next prime is 4247251. The reversal of 4247236 is 6327424.

4247236 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 151687 = 4247236 / (4 + 2 + 4 + 7 + 2 + 3 + 6).

It is a d-powerful number, because it can be written as 4⁴ + 2 + 4¹¹ + 7 + 2¹⁵ + 3⁹ + 6³ .

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, 75816 + ... + 75871.

Almost surely, 2^4247236 is an apocalyptic number.

It is an amenable number.

4247236 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4247236 is a wasteful number, since it uses less digits than its factorization.

4247236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151698 (or 151696 counting only the distinct ones).

The product of its digits is 8064, while the sum is 28.

The square root of 4247236 is about 2060.8823353117. The cubic root of 4247236 is about 161.9454675977.

It can be divided in two parts, 42 and 47236, that added together give a triangular number (47278 = T₃₀₇).

The spelling of 4247236 in words is "four million, two hundred forty-seven thousand, two hundred thirty-six".