206142893 has 8 divisors (see below), whose sum is σ = 229668480. Its totient is φ = 183414880.

The previous prime is 206142889. The next prime is 206142899. The reversal of 206142893 is 398241602.

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

It is not a de Polignac number, because 206142893 - 2² = 206142889 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206142899) 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, 198848 + ... + 199881.

It is an arithmetic number, because the mean of its divisors is an integer number (28708560).

Almost surely, 2^206142893 is an apocalyptic number.

It is an amenable number.

206142893 is a deficient number, since it is larger than the sum of its proper divisors (23525587).

206142893 is a wasteful number, since it uses less digits than its factorization.

206142893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398787.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 206142893 is about 14357.6771449981. The cubic root of 206142893 is about 590.7305830410.

The spelling of 206142893 in words is "two hundred six million, one hundred forty-two thousand, eight hundred ninety-three".