4639667 has 8 divisors (see below), whose sum is σ = 4929360. Its totient is φ = 4354560.

The previous prime is 4639651. The next prime is 4639693. The reversal of 4639667 is 7669364.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4639667 - 2⁴ = 4639651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4639697) 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 7 ways as a sum of consecutive naturals, for example, 1067 + ... + 3227.

It is an arithmetic number, because the mean of its divisors is an integer number (616170).

Almost surely, 2^4639667 is an apocalyptic number.

4639667 is a deficient number, since it is larger than the sum of its proper divisors (289693).

4639667 is a wasteful number, since it uses less digits than its factorization.

4639667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2293.

The product of its digits is 163296, while the sum is 41.

The square root of 4639667 is about 2153.9886257824. The cubic root of 4639667 is about 166.7870281688.

The spelling of 4639667 in words is "four million, six hundred thirty-nine thousand, six hundred sixty-seven".