206494470 has 192 divisors, whose sum is σ = 696084480. Its totient is φ = 41243904.

The previous prime is 206494459. The next prime is 206494501. The reversal of 206494470 is 74494602.

206494470 is a `hidden beast` number, since 2 + 0 + 649 + 4 + 4 + 7 + 0 = 666.

206494470 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×206494470² = 85279932281161800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 154947 + ... + 156273.

It is an arithmetic number, because the mean of its divisors is an integer number (3625440).

Almost surely, 2^206494470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206494470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348042240).

206494470 is an abundant number, since it is smaller than the sum of its proper divisors (489590010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206494470 is a wasteful number, since it uses less digits than its factorization.

206494470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379 (or 1376 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 206494470 is about 14369.9154486030. The cubic root of 206494470 is about 591.0662229211.

The spelling of 206494470 in words is "two hundred six million, four hundred ninety-four thousand, four hundred seventy".