206274385 has 8 divisors (see below), whose sum is σ = 247790016. Its totient is φ = 164845680.

The previous prime is 206274359. The next prime is 206274433. The reversal of 206274385 is 583472602.

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

It is not a de Polignac number, because 206274385 - 2¹⁵ = 206241617 is a prime.

It is a Duffinian 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, 16389 + ... + 26098.

It is an arithmetic number, because the mean of its divisors is an integer number (30973752).

Almost surely, 2^206274385 is an apocalyptic number.

It is an amenable number.

206274385 is a deficient number, since it is larger than the sum of its proper divisors (41515631).

206274385 is an equidigital number, since it uses as much as digits as its factorization.

206274385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43463.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 206274385 is about 14362.2555679810. The cubic root of 206274385 is about 590.8561590994.

The spelling of 206274385 in words is "two hundred six million, two hundred seventy-four thousand, three hundred eighty-five".