206443952 has 80 divisors (see below), whose sum is σ = 490468608. Its totient is φ = 82832640.

The previous prime is 206443943. The next prime is 206443967. The reversal of 206443952 is 259344602.

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, 50663 + ... + 54585.

Almost surely, 2^206443952 is an apocalyptic number.

206443952 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206443952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245234304).

206443952 is an abundant number, since it is smaller than the sum of its proper divisors (284024656).

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

206443952 is a wasteful number, since it uses less digits than its factorization.

206443952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3978 (or 3972 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 206443952 is about 14368.1575715190. The cubic root of 206443952 is about 591.0180183714.

The spelling of 206443952 in words is "two hundred six million, four hundred forty-three thousand, nine hundred fifty-two".