4009331 has 8 divisors (see below), whose sum is σ = 4271904. Its totient is φ = 3749760.

The previous prime is 4009321. The next prime is 4009333. The reversal of 4009331 is 1339004.

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

It is a cyclic number.

It is not a de Polignac number, because 4009331 - 2¹⁰ = 4008307 is a prime.

It is a super-2 number, since 2×4009331² = 32149470135122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4009333) 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, 2426 + ... + 3728.

It is an arithmetic number, because the mean of its divisors is an integer number (533988).

Almost surely, 2^4009331 is an apocalyptic number.

4009331 is a deficient number, since it is larger than the sum of its proper divisors (262573).

4009331 is a wasteful number, since it uses less digits than its factorization.

4009331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 4009331 is about 2002.3313911538. The cubic root of 4009331 is about 158.8634430012.

The spelling of 4009331 in words is "four million, nine thousand, three hundred thirty-one".