206740413 has 12 divisors (see below), whose sum is σ = 325772928. Its totient is φ = 125297160.

The previous prime is 206740397. The next prime is 206740441. The reversal of 206740413 is 314047602.

206740413 is a `hidden beast` number, since 206 + 7 + 40 + 413 = 666.

It is not a de Polignac number, because 206740413 - 2⁴ = 206740397 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206740013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1044045 + ... + 1044242.

It is an arithmetic number, because the mean of its divisors is an integer number (27147744).

Almost surely, 2^206740413 is an apocalyptic number.

It is an amenable number.

206740413 is a deficient number, since it is larger than the sum of its proper divisors (119032515).

206740413 is a wasteful number, since it uses less digits than its factorization.

206740413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2088304 (or 2088301 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 206740413 is about 14378.4704680296. The cubic root of 206740413 is about 591.3007908250.

The spelling of 206740413 in words is "two hundred six million, seven hundred forty thousand, four hundred thirteen".