4059661 has 4 divisors (see below), whose sum is σ = 4236192. Its totient is φ = 3883132.

The previous prime is 4059659. The next prime is 4059683. The reversal of 4059661 is 1669504.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4059661 - 2¹ = 4059659 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4059161) 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, 88231 + ... + 88276.

It is an arithmetic number, because the mean of its divisors is an integer number (1059048).

Almost surely, 2^4059661 is an apocalyptic number.

It is an amenable number.

4059661 is a deficient number, since it is larger than the sum of its proper divisors (176531).

4059661 is a wasteful number, since it uses less digits than its factorization.

4059661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176530.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 4059661 is about 2014.8600447674. The cubic root of 4059661 is about 159.5254297233.

The spelling of 4059661 in words is "four million, fifty-nine thousand, six hundred sixty-one".