202798 has 4 divisors (see below), whose sum is σ = 304200. Its totient is φ = 101398.

The previous prime is 202777. The next prime is 202799. The reversal of 202798 is 897202.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×202798² = 82254057608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50698 + ... + 50701.

It is an arithmetic number, because the mean of its divisors is an integer number (76050).

2²⁰²⁷⁹⁸ is an apocalyptic number.

202798 is a deficient number, since it is larger than the sum of its proper divisors (101402).

202798 is a wasteful number, since it uses less digits than its factorization.

202798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101401.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 202798 is about 450.3309893845. The cubic root of 202798 is about 58.7518061916.

It can be divided in two parts, 202 and 798, that added together give a cube (1000 = 10³).

The spelling of 202798 in words is "two hundred two thousand, seven hundred ninety-eight".