4243851 has 6 divisors (see below), whose sum is σ = 6130020. Its totient is φ = 2829228.

The previous prime is 4243823. The next prime is 4243861. The reversal of 4243851 is 1583424.

It is not a de Polignac number, because 4243851 - 2⁵ = 4243819 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4243861) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 235761 + ... + 235778.

It is an arithmetic number, because the mean of its divisors is an integer number (1021670).

Almost surely, 2^4243851 is an apocalyptic number.

4243851 is a deficient number, since it is larger than the sum of its proper divisors (1886169).

4243851 is a wasteful number, since it uses less digits than its factorization.

4243851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471545 (or 471542 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 4243851 is about 2060.0609214293. The cubic root of 4243851 is about 161.9024332490.

The spelling of 4243851 in words is "four million, two hundred forty-three thousand, eight hundred fifty-one".