206256893 has 8 divisors (see below), whose sum is σ = 215529216. Its totient is φ = 197010000.

The previous prime is 206256881. The next prime is 206256943. The reversal of 206256893 is 398652602.

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 206256893 - 2¹⁰ = 206255869 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 206256893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206256803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11303 + ... + 23243.

It is an arithmetic number, because the mean of its divisors is an integer number (26941152).

Almost surely, 2^206256893 is an apocalyptic number.

206256893 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

206256893 is a deficient number, since it is larger than the sum of its proper divisors (9272323).

206256893 is a wasteful number, since it uses less digits than its factorization.

206256893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12715.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 206256893 is about 14361.6465977965. The cubic root of 206256893 is about 590.8394571580.

The spelling of 206256893 in words is "two hundred six million, two hundred fifty-six thousand, eight hundred ninety-three".