206034649 has 8 divisors (see below), whose sum is σ = 212875520. Its totient is φ = 199206000.

The previous prime is 206034623. The next prime is 206034659. The reversal of 206034649 is 946430602.

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

It is not a de Polignac number, because 206034649 - 2¹⁵ = 206001881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206034659) 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, 41974 + ... + 46624.

It is an arithmetic number, because the mean of its divisors is an integer number (26609440).

Almost surely, 2^206034649 is an apocalyptic number.

It is an amenable number.

206034649 is a deficient number, since it is larger than the sum of its proper divisors (6840871).

206034649 is a wasteful number, since it uses less digits than its factorization.

206034649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6111.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 206034649 is about 14353.9070987658. The cubic root of 206034649 is about 590.6271689552.

It can be divided in two parts, 20603 and 4649, that added together give a palindrome (25252).

The spelling of 206034649 in words is "two hundred six million, thirty-four thousand, six hundred forty-nine".