2006931 has 8 divisors (see below), whose sum is σ = 2693584. Its totient is φ = 1329120.

The previous prime is 2006929. The next prime is 2006959. The reversal of 2006931 is 1396002.

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

It is not a de Polignac number, because 2006931 - 2¹ = 2006929 is a prime.

It is a super-2 number, since 2×2006931² = 8055544077522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2006898 and 2006907.

It is not an unprimeable number, because it can be changed into a prime (2006231) 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, 1660 + ... + 2601.

It is an arithmetic number, because the mean of its divisors is an integer number (336698).

2^2006931 is an apocalyptic number.

2006931 is a deficient number, since it is larger than the sum of its proper divisors (686653).

2006931 is a wasteful number, since it uses less digits than its factorization.

2006931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4421.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 2006931 is about 1416.6619215607. The cubic root of 2006931 is about 126.1374790672.

It can be divided in two parts, 20069 and 31, that added together give a triangular number (20100 = T₂₀₀).

The spelling of 2006931 in words is "two million, six thousand, nine hundred thirty-one".