206791992 has 48 divisors (see below), whose sum is σ = 610978680. Its totient is φ = 62664000.

The previous prime is 206791969. The next prime is 206791993. The reversal of 206791992 is 299197602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206791993) 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 11 ways as a sum of consecutive naturals, for example, 129759 + ... + 131342.

Almost surely, 2^206791992 is an apocalyptic number.

206791992 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

206791992 is an abundant number, since it is smaller than the sum of its proper divisors (404186688).

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

206791992 is a wasteful number, since it uses less digits than its factorization.

206791992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261124 (or 261117 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 206791992 is about 14380.2639753240. The cubic root of 206791992 is about 591.3499606463.

The spelling of 206791992 in words is "two hundred six million, seven hundred ninety-one thousand, nine hundred ninety-two".