202298861 has 4 divisors (see below), whose sum is σ = 214198812. Its totient is φ = 190398912.

The previous prime is 202298851. The next prime is 202298881. The reversal of 202298861 is 168892202.

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

It can be written as a sum of positive squares in 2 ways, for example, as 181413961 + 20884900 = 13469^2 + 4570^2 .

It is not a de Polignac number, because 202298861 - 2¹⁸ = 202036717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202298821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5949950 + ... + 5949983.

It is an arithmetic number, because the mean of its divisors is an integer number (53549703).

Almost surely, 2^202298861 is an apocalyptic number.

It is an amenable number.

202298861 is a deficient number, since it is larger than the sum of its proper divisors (11899951).

202298861 is a wasteful number, since it uses less digits than its factorization.

202298861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11899950.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 202298861 is about 14223.1804108645. The cubic root of 202298861 is about 587.0356539729.

The spelling of 202298861 in words is "two hundred two million, two hundred ninety-eight thousand, eight hundred sixty-one".