206675028 has 72 divisors (see below), whose sum is σ = 610978368. Its totient is φ = 57673728.

The previous prime is 206675017. The next prime is 206675039. The reversal of 206675028 is 820576602.

It is an interprime number because it is at equal distance from previous prime (206675017) and next prime (206675039).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 206674983 and 206675001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1300 + ... + 20372.

Almost surely, 2^206675028 is an apocalyptic number.

206675028 is a gapful number since it is divisible by the number (28) 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 206675028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305489184).

206675028 is an abundant number, since it is smaller than the sum of its proper divisors (404303340).

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

206675028 is a wasteful number, since it uses less digits than its factorization.

206675028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19133 (or 19128 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 206675028 is about 14376.1965762854. The cubic root of 206675028 is about 591.2384481054.

The spelling of 206675028 in words is "two hundred six million, six hundred seventy-five thousand, twenty-eight".