206606426 has 16 divisors (see below), whose sum is σ = 338733024. Its totient is φ = 93932784.

The previous prime is 206606333. The next prime is 206606441. The reversal of 206606426 is 624606602.

It is a junction number, because it is equal to n+sod(n) for n = 206606392 and 206606401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57560 + ... + 61043.

It is an arithmetic number, because the mean of its divisors is an integer number (21170814).

Almost surely, 2^206606426 is an apocalyptic number.

206606426 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

206606426 is a deficient number, since it is larger than the sum of its proper divisors (132126598).

206606426 is a wasteful number, since it uses less digits than its factorization.

206606426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118685.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 206606426 is about 14373.8104203444. The cubic root of 206606426 is about 591.1730239320.

The spelling of 206606426 in words is "two hundred six million, six hundred six thousand, four hundred twenty-six".