206429244 has 48 divisors (see below), whose sum is σ = 553593600. Its totient is φ = 58646016.

The previous prime is 206429239. The next prime is 206429261. The reversal of 206429244 is 442924602.

It is a super-2 number, since 2×206429244² = 85226065556823072, 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 15 ways as a sum of consecutive naturals, for example, 8172 + ... + 21900.

It is an arithmetic number, because the mean of its divisors is an integer number (11533200).

Almost surely, 2^206429244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206429244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276796800).

206429244 is an abundant number, since it is smaller than the sum of its proper divisors (347164356).

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

206429244 is a wasteful number, since it uses less digits than its factorization.

206429244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13922 (or 13920 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 206429244 is about 14367.6457361671. The cubic root of 206429244 is about 591.0039824400.

The spelling of 206429244 in words is "two hundred six million, four hundred twenty-nine thousand, two hundred forty-four".