4639030 has 32 divisors (see below), whose sum is σ = 9199008. Its totient is φ = 1670400.

The previous prime is 4639003. The next prime is 4639049. The reversal of 4639030 is 309364.

It is a junction number, because it is equal to n+sod(n) for n = 4638986 and 4639004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19794 + ... + 20026.

It is an arithmetic number, because the mean of its divisors is an integer number (287469).

Almost surely, 2^4639030 is an apocalyptic number.

4639030 is a deficient number, since it is larger than the sum of its proper divisors (4559978).

4639030 is a wasteful number, since it uses less digits than its factorization.

4639030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 4639030 is about 2153.8407554877. The cubic root of 4639030 is about 166.7793948481.

The spelling of 4639030 in words is "four million, six hundred thirty-nine thousand, thirty".