206412790 has 8 divisors (see below), whose sum is σ = 371543040. Its totient is φ = 82565112.

The previous prime is 206412763. The next prime is 206412797. The reversal of 206412790 is 97214602.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206412797) 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 3 ways as a sum of consecutive naturals, for example, 10320630 + ... + 10320649.

It is an arithmetic number, because the mean of its divisors is an integer number (46442880).

Almost surely, 2^206412790 is an apocalyptic number.

206412790 is a deficient number, since it is larger than the sum of its proper divisors (165130250).

206412790 is a wasteful number, since it uses less digits than its factorization.

206412790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20641286.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 206412790 is about 14367.0731187671. The cubic root of 206412790 is about 590.9882795003.

The spelling of 206412790 in words is "two hundred six million, four hundred twelve thousand, seven hundred ninety".