4331661 has 16 divisors (see below), whose sum is σ = 6094848. Its totient is φ = 2732400.

The previous prime is 4331653. The next prime is 4331683. The reversal of 4331661 is 1661334.

It is not a de Polignac number, because 4331661 - 2³ = 4331653 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4331611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3876 + ... + 4866.

It is an arithmetic number, because the mean of its divisors is an integer number (380928).

Almost surely, 2^4331661 is an apocalyptic number.

It is an amenable number.

4331661 is a deficient number, since it is larger than the sum of its proper divisors (1763187).

4331661 is a wasteful number, since it uses less digits than its factorization.

4331661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072.

The product of its digits is 1296, while the sum is 24.

The square root of 4331661 is about 2081.2642792303. The cubic root of 4331661 is about 163.0114661913.

Adding to 4331661 its reverse (1661334), we get a palindrome (5992995).

The spelling of 4331661 in words is "four million, three hundred thirty-one thousand, six hundred sixty-one".