206983394 has 16 divisors (see below), whose sum is σ = 330870528. Its totient is φ = 96884832.

The previous prime is 206983393. The next prime is 206983421. The reversal of 206983394 is 493389602.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (206983393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45707 + ... + 50030.

It is an arithmetic number, because the mean of its divisors is an integer number (20679408).

Almost surely, 2^206983394 is an apocalyptic number.

206983394 is a deficient number, since it is larger than the sum of its proper divisors (123887134).

206983394 is a wasteful number, since it uses less digits than its factorization.

206983394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95809.

The product of its (nonzero) digits is 279936, while the sum is 44.

The square root of 206983394 is about 14386.9174599704. The cubic root of 206983394 is about 591.5323511108.

The spelling of 206983394 in words is "two hundred six million, nine hundred eighty-three thousand, three hundred ninety-four".