206315344 has 10 divisors (see below), whose sum is σ = 399736010. Its totient is φ = 103157664.

The previous prime is 206315327. The next prime is 206315371. The reversal of 206315344 is 443513602.

It can be written as a sum of positive squares in only one way, i.e., 130416400 + 75898944 = 11420^2 + 8712^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6447339 + ... + 6447370.

It is an arithmetic number, because the mean of its divisors is an integer number (39973601).

Almost surely, 2^206315344 is an apocalyptic number.

It is an amenable number.

206315344 is a deficient number, since it is larger than the sum of its proper divisors (193420666).

206315344 is a wasteful number, since it uses less digits than its factorization.

206315344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12894717 (or 12894711 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 206315344 is about 14363.6814222538. The cubic root of 206315344 is about 590.8952644167.

Adding to 206315344 its reverse (443513602), we get a palindrome (649828946).

The spelling of 206315344 in words is "two hundred six million, three hundred fifteen thousand, three hundred forty-four".