4230387638 has 8 divisors (see below), whose sum is σ = 6440291832. Its totient is φ = 2083623696.

The previous prime is 4230387617. The next prime is 4230387683. The reversal of 4230387638 is 8367830324.

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

It is a super-3 number, since 3×4230387638³ (a number of 30 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15784895 + ... + 15785162.

It is an arithmetic number, because the mean of its divisors is an integer number (805036479).

Almost surely, 2^4230387638 is an apocalyptic number.

4230387638 is a deficient number, since it is larger than the sum of its proper divisors (2209904194).

4230387638 is a wasteful number, since it uses less digits than its factorization.

4230387638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31570126.

The product of its (nonzero) digits is 580608, while the sum is 44.

The square root of 4230387638 is about 65041.4301657028. The cubic root of 4230387638 is about 1617.3104330299.

The spelling of 4230387638 in words is "four billion, two hundred thirty million, three hundred eighty-seven thousand, six hundred thirty-eight".