4081659 has 8 divisors (see below), whose sum is σ = 5451600. Its totient is φ = 2716416.

The previous prime is 4081657. The next prime is 4081661. The reversal of 4081659 is 9561804.

It is an interprime number because it is at equal distance from previous prime (4081657) and next prime (4081661).

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

It is not a de Polignac number, because 4081659 - 2¹ = 4081657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4081657) 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, 2499 + ... + 3795.

It is an arithmetic number, because the mean of its divisors is an integer number (681450).

Almost surely, 2^4081659 is an apocalyptic number.

4081659 is a deficient number, since it is larger than the sum of its proper divisors (1369941).

4081659 is a wasteful number, since it uses less digits than its factorization.

4081659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2349.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 4081659 is about 2020.3116096286. The cubic root of 4081659 is about 159.8130498746.

The spelling of 4081659 in words is "four million, eighty-one thousand, six hundred fifty-nine".