201207828 has 24 divisors (see below), whose sum is σ = 480936960. Its totient is φ = 65433280.

The previous prime is 201207821. The next prime is 201207833. The reversal of 201207828 is 828702102.

It is a happy number.

201207828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 201207795 and 201207804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201207821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203988 + ... + 204971.

It is an arithmetic number, because the mean of its divisors is an integer number (20039040).

Almost surely, 2^201207828 is an apocalyptic number.

It is an amenable number.

201207828 is an abundant number, since it is smaller than the sum of its proper divisors (279729132).

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

201207828 is a wasteful number, since it uses less digits than its factorization.

201207828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409007 (or 409005 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 201207828 is about 14184.7745135409. The cubic root of 201207828 is about 585.9784225612.

The spelling of 201207828 in words is "two hundred one million, two hundred seven thousand, eight hundred twenty-eight".