4061615 has 8 divisors (see below), whose sum is σ = 4900608. Its totient is φ = 3231520.

The previous prime is 4061609. The next prime is 4061621. The reversal of 4061615 is 5161604.

4061615 = 40² + 41² + ... + 230².

It is an interprime number because it is at equal distance from previous prime (4061609) and next prime (4061621).

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

It is not a de Polignac number, because 4061615 - 2¹⁰ = 4060591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1172 + ... + 3081.

It is an arithmetic number, because the mean of its divisors is an integer number (612576).

Almost surely, 2^4061615 is an apocalyptic number.

4061615 is a deficient number, since it is larger than the sum of its proper divisors (838993).

4061615 is a wasteful number, since it uses less digits than its factorization.

4061615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4449.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 4061615 is about 2015.3448836365. The cubic root of 4061615 is about 159.5510199299.

The spelling of 4061615 in words is "four million, sixty-one thousand, six hundred fifteen".