6009943 has 4 divisors (see below), whose sum is σ = 6053320. Its totient is φ = 5966568.

The previous prime is 6009929. The next prime is 6009961. The reversal of 6009943 is 3499006.

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

It is a cyclic number.

It is not a de Polignac number, because 6009943 - 2⁵ = 6009911 is a prime.

It is a super-2 number, since 2×6009943² = 72238829726498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6009343) 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, 21480 + ... + 21757.

It is an arithmetic number, because the mean of its divisors is an integer number (1513330).

Almost surely, 2^6009943 is an apocalyptic number.

6009943 is a deficient number, since it is larger than the sum of its proper divisors (43377).

6009943 is a wasteful number, since it uses less digits than its factorization.

6009943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43376.

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

The square root of 6009943 is about 2451.5185090062. The cubic root of 6009943 is about 181.8123796103.

The spelling of 6009943 in words is "six million, nine thousand, nine hundred forty-three".