4238642 has 8 divisors (see below), whose sum is σ = 6370716. Its totient is φ = 2115072.

The previous prime is 4238617. The next prime is 4238651. The reversal of 4238642 is 2468324.

It can be written as a sum of positive squares in 2 ways, for example, as 4206601 + 32041 = 2051^2 + 179^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

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, 683 + ... + 2990.

Almost surely, 2^4238642 is an apocalyptic number.

4238642 is a deficient number, since it is larger than the sum of its proper divisors (2132074).

4238642 is a wasteful number, since it uses less digits than its factorization.

4238642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4252.

The product of its digits is 9216, while the sum is 29.

The square root of 4238642 is about 2058.7962502394. The cubic root of 4238642 is about 161.8361652094.

The spelling of 4238642 in words is "four million, two hundred thirty-eight thousand, six hundred forty-two".