206339394 has 32 divisors (see below), whose sum is σ = 431354880. Its totient is φ = 65677392.

The previous prime is 206339383. The next prime is 206339407. The reversal of 206339394 is 493933602.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 126009 + ... + 127635.

It is an arithmetic number, because the mean of its divisors is an integer number (13479840).

Almost surely, 2^206339394 is an apocalyptic number.

206339394 is an abundant number, since it is smaller than the sum of its proper divisors (225015486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206339394 is a wasteful number, since it uses less digits than its factorization.

206339394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2574.

The product of its (nonzero) digits is 104976, while the sum is 39.

The square root of 206339394 is about 14364.5185787760. The cubic root of 206339394 is about 590.9182235734.

The spelling of 206339394 in words is "two hundred six million, three hundred thirty-nine thousand, three hundred ninety-four".