4815138 has 8 divisors (see below), whose sum is σ = 9630288. Its totient is φ = 1605044.

The previous prime is 4815127. The next prime is 4815179. The reversal of 4815138 is 8315184.

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

4815138 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 401256 + ... + 401267.

It is an arithmetic number, because the mean of its divisors is an integer number (1203786).

Almost surely, 2^4815138 is an apocalyptic number.

4815138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4815138 is a wasteful number, since it uses less digits than its factorization.

4815138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802528.

The product of its digits is 3840, while the sum is 30.

The square root of 4815138 is about 2194.3422704765. The cubic root of 4815138 is about 168.8636786842.

The spelling of 4815138 in words is "four million, eight hundred fifteen thousand, one hundred thirty-eight".