206860944 has 80 divisors (see below), whose sum is σ = 556660800. Its totient is φ = 66114048.

The previous prime is 206860931. The next prime is 206860957. The reversal of 206860944 is 449068602.

It is an interprime number because it is at equal distance from previous prime (206860931) and next prime (206860957).

It is a super-2 number, since 2×206860944² = 85582900305142272, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240387 + ... + 241245.

It is an arithmetic number, because the mean of its divisors is an integer number (6958260).

Almost surely, 2^206860944 is an apocalyptic number.

206860944 is a gapful number since it is divisible by the number (24) 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 206860944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278330400).

206860944 is an abundant number, since it is smaller than the sum of its proper divisors (349799856).

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

206860944 is a wasteful number, since it uses less digits than its factorization.

206860944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072 (or 1066 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 206860944 is about 14382.6612280204. The cubic root of 206860944 is about 591.4156792314.

The spelling of 206860944 in words is "two hundred six million, eight hundred sixty thousand, nine hundred forty-four".