4332991 has 6 divisors (see below), whose sum is σ = 4692120. Its totient is φ = 3999528.

The previous prime is 4332973. The next prime is 4332997. The reversal of 4332991 is 1992334.

It is not a de Polignac number, because 4332991 - 2⁹ = 4332479 is a prime.

It is a super-2 number, since 2×4332991² = 37549622012162, which contains 22 as substring.

It is a d-powerful number, because it can be written as 4¹¹ + 3⁵ + 3⁸ + 2¹⁷ + 9² + 9³ + 1 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4332997) 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 5 ways as a sum of consecutive naturals, for example, 12651 + ... + 12988.

It is an arithmetic number, because the mean of its divisors is an integer number (782020).

Almost surely, 2^4332991 is an apocalyptic number.

4332991 is a deficient number, since it is larger than the sum of its proper divisors (359129).

4332991 is a wasteful number, since it uses less digits than its factorization.

4332991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25665 (or 25652 counting only the distinct ones).

The product of its digits is 5832, while the sum is 31.

The square root of 4332991 is about 2081.5837720351. The cubic root of 4332991 is about 163.0281482496.

The spelling of 4332991 in words is "four million, three hundred thirty-two thousand, nine hundred ninety-one".