206004931 has 8 divisors (see below), whose sum is σ = 228542400. Its totient is φ = 184102440.

The previous prime is 206004917. The next prime is 206004941. The reversal of 206004931 is 139400602.

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 206004931 - 2⁵ = 206004899 is a prime.

It is a super-2 number, since 2×206004931² = 84876063192629522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 206004896 and 206004905.

It is not an unprimeable number, because it can be changed into a prime (206004941) 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 7 ways as a sum of consecutive naturals, for example, 158061 + ... + 159358.

It is an arithmetic number, because the mean of its divisors is an integer number (28567800).

Almost surely, 2^206004931 is an apocalyptic number.

206004931 is a deficient number, since it is larger than the sum of its proper divisors (22537469).

206004931 is a wasteful number, since it uses less digits than its factorization.

206004931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317489.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 206004931 is about 14352.8718729040. The cubic root of 206004931 is about 590.5987706538.

The spelling of 206004931 in words is "two hundred six million, four thousand, nine hundred thirty-one".