206426536 has 32 divisors (see below), whose sum is σ = 394476480. Its totient is φ = 101248000.

The previous prime is 206426533. The next prime is 206426567. The reversal of 206426536 is 635624602.

It is a super-2 number, since 2×206426536² = 85223829529918592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (206426533) 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, 128136 + ... + 129736.

It is an arithmetic number, because the mean of its divisors is an integer number (12327390).

Almost surely, 2^206426536 is an apocalyptic number.

It is an amenable number.

206426536 is a deficient number, since it is larger than the sum of its proper divisors (188049944).

206426536 is a wasteful number, since it uses less digits than its factorization.

206426536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1905 (or 1901 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 206426536 is about 14367.5514963406. The cubic root of 206426536 is about 591.0013981069.

The spelling of 206426536 in words is "two hundred six million, four hundred twenty-six thousand, five hundred thirty-six".