4238851 has 2 divisors, whose sum is σ = 4238852. Its totient is φ = 4238850.

The previous prime is 4238837. The next prime is 4238873. The reversal of 4238851 is 1588324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4238851 - 2¹¹ = 4236803 is a prime.

It is not a weakly prime, because it can be changed into another prime (4238551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2119425 + 2119426.

It is an arithmetic number, because the mean of its divisors is an integer number (2119426).

Almost surely, 2^4238851 is an apocalyptic number.

4238851 is the 1101-st centered heptagonal number.

4238851 is a deficient number, since it is larger than the sum of its proper divisors (1).

4238851 is an equidigital number, since it uses as much as digits as its factorization.

4238851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7680, while the sum is 31.

The square root of 4238851 is about 2058.8470074292. The cubic root of 4238851 is about 161.8388251181.

The spelling of 4238851 in words is "four million, two hundred thirty-eight thousand, eight hundred fifty-one".