206606460 has 24 divisors (see below), whose sum is σ = 578498256. Its totient is φ = 55095040.

The previous prime is 206606453. The next prime is 206606489. The reversal of 206606460 is 64606602.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1721661 + ... + 1721780.

It is an arithmetic number, because the mean of its divisors is an integer number (24104094).

Almost surely, 2^206606460 is an apocalyptic number.

206606460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206606460 is an abundant number, since it is smaller than the sum of its proper divisors (371891796).

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

206606460 is a wasteful number, since it uses less digits than its factorization.

206606460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3443453 (or 3443451 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 206606460 is about 14373.8116030509. The cubic root of 206606460 is about 591.1730563607.

The spelling of 206606460 in words is "two hundred six million, six hundred six thousand, four hundred sixty".