4238287 has 4 divisors (see below), whose sum is σ = 4487616. Its totient is φ = 3988960.

The previous prime is 4238281. The next prime is 4238303. The reversal of 4238287 is 7828324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4238287 - 2¹⁹ = 3713999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4238281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124639 + ... + 124672.

It is an arithmetic number, because the mean of its divisors is an integer number (1121904).

Almost surely, 2^4238287 is an apocalyptic number.

4238287 is a deficient number, since it is larger than the sum of its proper divisors (249329).

4238287 is a wasteful number, since it uses less digits than its factorization.

4238287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249328.

The product of its digits is 21504, while the sum is 34.

The square root of 4238287 is about 2058.7100330061. The cubic root of 4238287 is about 161.8316469822.

The spelling of 4238287 in words is "four million, two hundred thirty-eight thousand, two hundred eighty-seven".