4532638 has 16 divisors (see below), whose sum is σ = 7464960. Its totient is φ = 2047000.

The previous prime is 4532629. The next prime is 4532639. The reversal of 4532638 is 8362354.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4532639) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3363 + ... + 4513.

It is an arithmetic number, because the mean of its divisors is an integer number (466560).

Almost surely, 2^4532638 is an apocalyptic number.

4532638 is a deficient number, since it is larger than the sum of its proper divisors (2932322).

4532638 is a wasteful number, since it uses less digits than its factorization.

4532638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343.

The product of its digits is 17280, while the sum is 31.

The square root of 4532638 is about 2128.9992954438. Note that the first 3 decimals coincide. The cubic root of 4532638 is about 165.4945431947.

The spelling of 4532638 in words is "four million, five hundred thirty-two thousand, six hundred thirty-eight".