4009359 has 4 divisors (see below), whose sum is σ = 5345816. Its totient is φ = 2672904.

The previous prime is 4009339. The next prime is 4009373. The reversal of 4009359 is 9539004.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4009359 - 2¹³ = 4001167 is a prime.

It is a D-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 (4009319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 668224 + ... + 668229.

It is an arithmetic number, because the mean of its divisors is an integer number (1336454).

Almost surely, 2^4009359 is an apocalyptic number.

4009359 is a deficient number, since it is larger than the sum of its proper divisors (1336457).

4009359 is a wasteful number, since it uses less digits than its factorization.

4009359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336456.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 4009359 is about 2002.3383829912. The cubic root of 4009359 is about 158.8638128190.

The spelling of 4009359 in words is "four million, nine thousand, three hundred fifty-nine".