206972286 has 16 divisors (see below), whose sum is σ = 418932864. Its totient is φ = 68159384.

The previous prime is 206972273. The next prime is 206972291. The reversal of 206972286 is 682279602.

It is a congruent number.

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, 207306 + ... + 208301.

It is an arithmetic number, because the mean of its divisors is an integer number (26183304).

Almost surely, 2^206972286 is an apocalyptic number.

206972286 is an abundant number, since it is smaller than the sum of its proper divisors (211960578).

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

206972286 is a wasteful number, since it uses less digits than its factorization.

206972286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415695.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 206972286 is about 14386.5314096206. The cubic root of 206972286 is about 591.5217691687.

The spelling of 206972286 in words is "two hundred six million, nine hundred seventy-two thousand, two hundred eighty-six".