206450004 has 24 divisors (see below), whose sum is σ = 482036800. Its totient is φ = 68770944.

The previous prime is 206449993. The next prime is 206450011. The reversal of 206450004 is 400054602.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 16572 + ... + 26220.

Almost surely, 2^206450004 is an apocalyptic number.

It is an amenable number.

206450004 is an abundant number, since it is smaller than the sum of its proper divisors (275586796).

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

206450004 is a wasteful number, since it uses less digits than its factorization.

206450004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11439 (or 11437 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 206450004 is about 14368.3681745701. The cubic root of 206450004 is about 591.0237936372.

The spelling of 206450004 in words is "two hundred six million, four hundred fifty thousand, four".