206993285 has 8 divisors (see below), whose sum is σ = 251385120. Its totient is φ = 163599184.

The previous prime is 206993279. The next prime is 206993291. The reversal of 206993285 is 582399602.

It is an interprime number because it is at equal distance from previous prime (206993279) and next prime (206993291).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 206993285 - 2⁶ = 206993221 is a prime.

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, 248975 + ... + 249804.

It is an arithmetic number, because the mean of its divisors is an integer number (31423140).

Almost surely, 2^206993285 is an apocalyptic number.

It is an amenable number.

206993285 is a deficient number, since it is larger than the sum of its proper divisors (44391835).

206993285 is an equidigital number, since it uses as much as digits as its factorization.

206993285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498867.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 206993285 is about 14387.2612056638. The cubic root of 206993285 is about 591.5417733696.

The spelling of 206993285 in words is "two hundred six million, nine hundred ninety-three thousand, two hundred eighty-five".