202828 has 6 divisors (see below), whose sum is σ = 354956. Its totient is φ = 101412.

The previous prime is 202823. The next prime is 202841. The reversal of 202828 is 828202.

It is a super-2 number, since 2×202828² = 82278395168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202799 and 202808.

It is not an unprimeable number, because it can be changed into a prime (202823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25350 + ... + 25357.

2²⁰²⁸²⁸ is an apocalyptic number.

It is an amenable number.

202828 is a deficient number, since it is larger than the sum of its proper divisors (152128).

202828 is a wasteful number, since it uses less digits than its factorization.

202828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50711 (or 50709 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 202828 is about 450.3642969863. The cubic root of 202828 is about 58.7547031092.

The spelling of 202828 in words is "two hundred two thousand, eight hundred twenty-eight".