4635138 has 16 divisors (see below), whose sum is σ = 9521280. Its totient is φ = 1503216.

The previous prime is 4635131. The next prime is 4635143. The reversal of 4635138 is 8315364.

It is not an unprimeable number, because it can be changed into a prime (4635131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10218 + ... + 10661.

It is an arithmetic number, because the mean of its divisors is an integer number (595080).

Almost surely, 2^4635138 is an apocalyptic number.

4635138 is an abundant number, since it is smaller than the sum of its proper divisors (4886142).

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

4635138 is a wasteful number, since it uses less digits than its factorization.

4635138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20921.

The product of its digits is 8640, while the sum is 30.

The square root of 4635138 is about 2152.9370636412. The cubic root of 4635138 is about 166.7327409128.

The spelling of 4635138 in words is "four million, six hundred thirty-five thousand, one hundred thirty-eight".