206644034 has 8 divisors (see below), whose sum is σ = 310132368. Its totient is φ = 103266580.

The previous prime is 206644003. The next prime is 206644043. The reversal of 206644034 is 430446602.

It is a happy number.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 206643988 and 206644006.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22892 + ... + 30615.

It is an arithmetic number, because the mean of its divisors is an integer number (38766546).

Almost surely, 2^206644034 is an apocalyptic number.

206644034 is a deficient number, since it is larger than the sum of its proper divisors (103488334).

206644034 is a wasteful number, since it uses less digits than its factorization.

206644034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55440.

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 206644034 is about 14375.1185734240. The cubic root of 206644034 is about 591.2088916229.

The spelling of 206644034 in words is "two hundred six million, six hundred forty-four thousand, thirty-four".