4138615 has 8 divisors (see below), whose sum is σ = 5348448. Its totient is φ = 3056160.

The previous prime is 4138609. The next prime is 4138627. The reversal of 4138615 is 5168314.

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

It is not a de Polignac number, because 4138615 - 2⁵ = 4138583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31771 + ... + 31900.

It is an arithmetic number, because the mean of its divisors is an integer number (668556).

Almost surely, 2^4138615 is an apocalyptic number.

4138615 is a deficient number, since it is larger than the sum of its proper divisors (1209833).

4138615 is a wasteful number, since it uses less digits than its factorization.

4138615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63689.

The product of its digits is 2880, while the sum is 28.

The square root of 4138615 is about 2034.3586212858. The cubic root of 4138615 is about 160.5529695153.

It can be divided in two parts, 4138 and 615, that added together give a triangular number (4753 = T₉₇).

The spelling of 4138615 in words is "four million, one hundred thirty-eight thousand, six hundred fifteen".