206330474 has 12 divisors (see below), whose sum is σ = 360025794. Its totient is φ = 88427304.

The previous prime is 206330471. The next prime is 206330483. The reversal of 206330474 is 474033602.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 206123449 + 207025 = 14357^2 + 455^2 .

It is not an unprimeable number, because it can be changed into a prime (206330471) 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 5 ways as a sum of consecutive naturals, for example, 1052609 + ... + 1052804.

Almost surely, 2^206330474 is an apocalyptic number.

206330474 is a deficient number, since it is larger than the sum of its proper divisors (153695320).

206330474 is a wasteful number, since it uses less digits than its factorization.

206330474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2105429 (or 2105422 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 29.

The square root of 206330474 is about 14364.2080881614. The cubic root of 206330474 is about 590.9097083687.

The spelling of 206330474 in words is "two hundred six million, three hundred thirty thousand, four hundred seventy-four".