4238457 has 16 divisors (see below), whose sum is σ = 6132672. Its totient is φ = 2593280.

The previous prime is 4238431. The next prime is 4238459. The reversal of 4238457 is 7548324.

It is a cyclic number.

It is not a de Polignac number, because 4238457 - 2⁶ = 4238393 is a prime.

It is a d-powerful number, because it can be written as 4⁷ + 2¹¹ + 3⁹ + 8³ + 4¹¹ + 5⁵ + 7⁴ .

It is not an unprimeable number, because it can be changed into a prime (4238459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1078 + ... + 3104.

It is an arithmetic number, because the mean of its divisors is an integer number (383292).

Almost surely, 2^4238457 is an apocalyptic number.

It is an amenable number.

4238457 is a deficient number, since it is larger than the sum of its proper divisors (1894215).

4238457 is a wasteful number, since it uses less digits than its factorization.

4238457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2088.

The product of its digits is 26880, while the sum is 33.

The square root of 4238457 is about 2058.7513205825. The cubic root of 4238457 is about 161.8338106717.

The spelling of 4238457 in words is "four million, two hundred thirty-eight thousand, four hundred fifty-seven".