206363872 has 72 divisors (see below), whose sum is σ = 480067560. Its totient is φ = 86561280.

The previous prime is 206363851. The next prime is 206363881. The reversal of 206363872 is 278363602.

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 11 ways as a sum of consecutive naturals, for example, 57754 + ... + 61222.

It is an arithmetic number, because the mean of its divisors is an integer number (6667605).

Almost surely, 2^206363872 is an apocalyptic number.

206363872 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 206363872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240033780).

206363872 is an abundant number, since it is smaller than the sum of its proper divisors (273703688).

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

206363872 is a wasteful number, since it uses less digits than its factorization.

206363872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3516 (or 3495 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 206363872 is about 14365.3705834552. The cubic root of 206363872 is about 590.9415894854.

The spelling of 206363872 in words is "two hundred six million, three hundred sixty-three thousand, eight hundred seventy-two".