206674445 has 16 divisors (see below), whose sum is σ = 257074560. Its totient is φ = 159319104.

The previous prime is 206674411. The next prime is 206674453. The reversal of 206674445 is 544476602.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-206674445 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 206674399 and 206674408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92714 + ... + 94916.

It is an arithmetic number, because the mean of its divisors is an integer number (16067160).

Almost surely, 2^206674445 is an apocalyptic number.

It is an amenable number.

206674445 is a deficient number, since it is larger than the sum of its proper divisors (50400115).

206674445 is a wasteful number, since it uses less digits than its factorization.

206674445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2884.

The product of its (nonzero) digits is 161280, while the sum is 38.

The square root of 206674445 is about 14376.1762996981. The cubic root of 206674445 is about 591.2378921725.

The spelling of 206674445 in words is "two hundred six million, six hundred seventy-four thousand, four hundred forty-five".