206485944 has 128 divisors (see below), whose sum is σ = 629544960. Its totient is φ = 55093248.

The previous prime is 206485931. The next prime is 206485967. The reversal of 206485944 is 449584602.

It is a super-2 number, since 2×206485944² = 85272890139142272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 206485896 and 206485905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 562449 + ... + 562815.

It is an arithmetic number, because the mean of its divisors is an integer number (4918320).

Almost surely, 2^206485944 is an apocalyptic number.

206485944 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 206485944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314772480).

206485944 is an abundant number, since it is smaller than the sum of its proper divisors (423059016).

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

206485944 is a wasteful number, since it uses less digits than its factorization.

206485944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597 (or 593 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The square root of 206485944 is about 14369.6187840875. The cubic root of 206485944 is about 591.0580879171.

The spelling of 206485944 in words is "two hundred six million, four hundred eighty-five thousand, nine hundred forty-four".