206936455 has 16 divisors (see below), whose sum is σ = 271524384. Its totient is φ = 150151680.

The previous prime is 206936437. The next prime is 206936459. The reversal of 206936455 is 554639602.

206936455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 206936455 - 2¹⁵ = 206903687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206936459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21019 + ... + 29251.

It is an arithmetic number, because the mean of its divisors is an integer number (16970274).

Almost surely, 2^206936455 is an apocalyptic number.

206936455 is a deficient number, since it is larger than the sum of its proper divisors (64587929).

206936455 is a wasteful number, since it uses less digits than its factorization.

206936455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8706.

The product of its (nonzero) digits is 194400, while the sum is 40.

The square root of 206936455 is about 14385.2860590257. The cubic root of 206936455 is about 591.4876324893.

The spelling of 206936455 in words is "two hundred six million, nine hundred thirty-six thousand, four hundred fifty-five".