4685138 has 8 divisors (see below), whose sum is σ = 7106940. Its totient is φ = 2316160.

The previous prime is 4685137. The next prime is 4685141. The reversal of 4685138 is 8315864.

It can be written as a sum of positive squares in 2 ways, for example, as 4635409 + 49729 = 2153^2 + 223^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 4685098 and 4685107.

It is not an unprimeable number, because it can be changed into a prime (4685137) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 12983 + ... + 13338.

Almost surely, 2^4685138 is an apocalyptic number.

4685138 is a deficient number, since it is larger than the sum of its proper divisors (2421802).

4685138 is a wasteful number, since it uses less digits than its factorization.

4685138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26412.

The product of its digits is 23040, while the sum is 35.

The square root of 4685138 is about 2164.5179601934. The cubic root of 4685138 is about 167.3301225643.

It can be divided in two parts, 46 and 85138, that added together give a cube (85184 = 44³).

The spelling of 4685138 in words is "four million, six hundred eighty-five thousand, one hundred thirty-eight".