207966828 has 54 divisors (see below), whose sum is σ = 510089412. Its totient is φ = 65941920.

The previous prime is 207966767. The next prime is 207966833. The reversal of 207966828 is 828669702.

It is a happy 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 17 ways as a sum of consecutive naturals, for example, 1148898 + ... + 1149078.

Almost surely, 2^207966828 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 207966828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255044706).

207966828 is an abundant number, since it is smaller than the sum of its proper divisors (302122584).

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

207966828 is a wasteful number, since it uses less digits than its factorization.

207966828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 48.

The square root of 207966828 is about 14421.0550238185. The cubic root of 207966828 is about 592.4677145968.

Multiplying 207966828 by its sum of digits (48), we get a square (9982407744 = 99912²).

The spelling of 207966828 in words is "two hundred seven million, nine hundred sixty-six thousand, eight hundred twenty-eight".