4638047 has 4 divisors (see below), whose sum is σ = 4650360. Its totient is φ = 4625736.

The previous prime is 4638041. The next prime is 4638077. The reversal of 4638047 is 7408364.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4638047 - 2¹⁶ = 4572511 is a prime.

It is a super-2 number, since 2×4638047² = 43022959948418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4638041) by changing a digit.

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, 5573 + ... + 6350.

It is an arithmetic number, because the mean of its divisors is an integer number (1162590).

Almost surely, 2^4638047 is an apocalyptic number.

4638047 is a deficient number, since it is larger than the sum of its proper divisors (12313).

4638047 is a wasteful number, since it uses less digits than its factorization.

4638047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12312.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 4638047 is about 2153.6125463973. The cubic root of 4638047 is about 166.7676139566.

The spelling of 4638047 in words is "four million, six hundred thirty-eight thousand, forty-seven".