4640630 has 16 divisors (see below), whose sum is σ = 8394624. Its totient is φ = 1847040.

The previous prime is 4640599. The next prime is 4640717. The reversal of 4640630 is 360464.

It is a junction number, because it is equal to n+sod(n) for n = 4640596 and 4640605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1190 + ... + 3270.

It is an arithmetic number, because the mean of its divisors is an integer number (524664).

Almost surely, 2^4640630 is an apocalyptic number.

4640630 is a deficient number, since it is larger than the sum of its proper divisors (3753994).

4640630 is a wasteful number, since it uses less digits than its factorization.

4640630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2311.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 4640630 is about 2154.2121529692. The cubic root of 4640630 is about 166.7985666979.

The spelling of 4640630 in words is "four million, six hundred forty thousand, six hundred thirty".