206964393 has 8 divisors (see below), whose sum is σ = 277967328. Its totient is φ = 136968864.

The previous prime is 206964383. The next prime is 206964449. The reversal of 206964393 is 393469602.

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

It is not a de Polignac number, because 206964393 - 2¹³ = 206956201 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (206964313) 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, 251371 + ... + 252192.

It is an arithmetic number, because the mean of its divisors is an integer number (34745916).

Almost surely, 2^206964393 is an apocalyptic number.

It is an amenable number.

206964393 is a deficient number, since it is larger than the sum of its proper divisors (71002935).

206964393 is a wasteful number, since it uses less digits than its factorization.

206964393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503703.

The product of its (nonzero) digits is 209952, while the sum is 42.

The square root of 206964393 is about 14386.2570879294. The cubic root of 206964393 is about 591.5142497389.

The spelling of 206964393 in words is "two hundred six million, nine hundred sixty-four thousand, three hundred ninety-three".