206430460 has 24 divisors (see below), whose sum is σ = 433802880. Its totient is φ = 82515264.

The previous prime is 206430409. The next prime is 206430481. The reversal of 206430460 is 64034602.

It is a super-2 number, since 2×206430460² = 85227069631623200, 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 7 ways as a sum of consecutive naturals, for example, 38037 + ... + 43123.

It is an arithmetic number, because the mean of its divisors is an integer number (18075120).

Almost surely, 2^206430460 is an apocalyptic number.

206430460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206430460 is an abundant number, since it is smaller than the sum of its proper divisors (227372420).

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

206430460 is a wasteful number, since it uses less digits than its factorization.

206430460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7125 (or 7123 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 206430460 is about 14367.6880534065. The cubic root of 206430460 is about 591.0051429013.

The spelling of 206430460 in words is "two hundred six million, four hundred thirty thousand, four hundred sixty".