4485630 has 16 divisors (see below), whose sum is σ = 10765584. Its totient is φ = 1196160.

The previous prime is 4485629. The next prime is 4485643. The reversal of 4485630 is 365844.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 149521 = 4485630 / (4 + 4 + 8 + 5 + 6 + 3 + 0).

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 7 ways as a sum of consecutive naturals, for example, 74731 + ... + 74790.

It is an arithmetic number, because the mean of its divisors is an integer number (672849).

Almost surely, 2^4485630 is an apocalyptic number.

4485630 is an abundant number, since it is smaller than the sum of its proper divisors (6279954).

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

4485630 is a wasteful number, since it uses less digits than its factorization.

4485630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149531.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 4485630 is about 2117.9305937636. The cubic root of 4485630 is about 164.9204391453.

It can be divided in two parts, 4485 and 630, that added together give a palindrome (5115).

The spelling of 4485630 in words is "four million, four hundred eighty-five thousand, six hundred thirty".