206999088 has 20 divisors (see below), whose sum is σ = 534747768. Its totient is φ = 68999680.

The previous prime is 206999077. The next prime is 206999141. The reversal of 206999088 is 880999602.

It is a self number, because there is not a number n which added to its sum of digits gives 206999088.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2156193 + ... + 2156288.

Almost surely, 2^206999088 is an apocalyptic number.

It is an amenable number.

206999088 is an abundant number, since it is smaller than the sum of its proper divisors (327748680).

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

206999088 is a wasteful number, since it uses less digits than its factorization.

206999088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4312492 (or 4312486 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 51.

The square root of 206999088 is about 14387.4628757123. The cubic root of 206999088 is about 591.5473012217.

The spelling of 206999088 in words is "two hundred six million, nine hundred ninety-nine thousand, eighty-eight".