4664238 has 8 divisors (see below), whose sum is σ = 9328488. Its totient is φ = 1554744.

The previous prime is 4664227. The next prime is 4664249. The reversal of 4664238 is 8324664.

It is an interprime number because it is at equal distance from previous prime (4664227) and next prime (4664249).

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

4664238 is an admirable number.

It is a super-2 number, since 2×4664238² = 43510232241288, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4664199 and 4664208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388681 + ... + 388692.

It is an arithmetic number, because the mean of its divisors is an integer number (1166061).

Almost surely, 2^4664238 is an apocalyptic number.

4664238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4664238 is a wasteful number, since it uses less digits than its factorization.

4664238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777378.

The product of its digits is 27648, while the sum is 33.

The square root of 4664238 is about 2159.6846992096. The cubic root of 4664238 is about 167.0809365408.

The spelling of 4664238 in words is "four million, six hundred sixty-four thousand, two hundred thirty-eight".