206606040 has 32 divisors (see below), whose sum is σ = 619818480. Its totient is φ = 55094912.

The previous prime is 206606017. The next prime is 206606053. The reversal of 206606040 is 40606602.

206606040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 206606040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 860739 + ... + 860978.

Almost surely, 2^206606040 is an apocalyptic number.

206606040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206606040 is an abundant number, since it is smaller than the sum of its proper divisors (413212440).

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

206606040 is a wasteful number, since it uses less digits than its factorization.

206606040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721731 (or 1721727 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 206606040 is about 14373.7969931400. The cubic root of 206606040 is about 591.1726557716.

The spelling of 206606040 in words is "two hundred six million, six hundred six thousand, forty".