206869043 has 8 divisors (see below), whose sum is σ = 212889600. Its totient is φ = 200916040.

The previous prime is 206869031. The next prime is 206869051. The reversal of 206869043 is 340968602.

206869043 = T₁₆₄₂ + T₁₆₄₃ + ... + T₁₇₈₂.

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 206869043 - 2¹² = 206864947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 206868988 and 206869006.

It is not an unprimeable number, because it can be changed into a prime (206869643) 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, 10643 + ... + 22956.

It is an arithmetic number, because the mean of its divisors is an integer number (26611200).

Almost surely, 2^206869043 is an apocalyptic number.

206869043 is a deficient number, since it is larger than the sum of its proper divisors (6020557).

206869043 is a wasteful number, since it uses less digits than its factorization.

206869043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33777.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 206869043 is about 14382.9427795566. The cubic root of 206869043 is about 591.4233974808.

The spelling of 206869043 in words is "two hundred six million, eight hundred sixty-nine thousand, forty-three".