206432464 has 20 divisors (see below), whose sum is σ = 457100704. Its totient is φ = 88471008.

The previous prime is 206432459. The next prime is 206432533. The reversal of 206432464 is 464234602.

It is a super-2 number, since 2×206432464² = 85228724386222592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 921462 + ... + 921685.

Almost surely, 2^206432464 is an apocalyptic number.

It is an amenable number.

206432464 is an abundant number, since it is smaller than the sum of its proper divisors (250668240).

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

206432464 is a wasteful number, since it uses less digits than its factorization.

206432464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1843162 (or 1843156 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

The square root of 206432464 is about 14367.7577930587. The cubic root of 206432464 is about 591.0070553621.

The spelling of 206432464 in words is "two hundred six million, four hundred thirty-two thousand, four hundred sixty-four".