202094989 has 4 divisors (see below), whose sum is σ = 205908156. Its totient is φ = 198281824.

The previous prime is 202094903. The next prime is 202095017. The reversal of 202094989 is 989490202.

It is a happy number.

202094989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 183819364 + 18275625 = 13558^2 + 4275^2 .

It is a cyclic number.

It is not a de Polignac number, because 202094989 - 2¹⁹ = 201570701 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 (202094489) 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, 1906504 + ... + 1906609.

It is an arithmetic number, because the mean of its divisors is an integer number (51477039).

Almost surely, 2^202094989 is an apocalyptic number.

It is an amenable number.

202094989 is a deficient number, since it is larger than the sum of its proper divisors (3813167).

202094989 is an equidigital number, since it uses as much as digits as its factorization.

202094989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3813166.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 202094989 is about 14216.0117121505. The cubic root of 202094989 is about 586.8383874825.

The spelling of 202094989 in words is "two hundred two million, ninety-four thousand, nine hundred eighty-nine".