189404602 has 4 divisors (see below), whose sum is σ = 284106906. Its totient is φ = 94702300.

The previous prime is 189404581. The next prime is 189404617. The reversal of 189404602 is 206404981.

189404602 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 only one way, i.e., 109641841 + 79762761 = 10471^2 + 8931^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47351149 + ... + 47351152.

Almost surely, 2^189404602 is an apocalyptic number.

189404602 is a deficient number, since it is larger than the sum of its proper divisors (94702304).

189404602 is an equidigital number, since it uses as much as digits as its factorization.

189404602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94702303.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 189404602 is about 13762.4344503434. The cubic root of 189404602 is about 574.2885739543.

The spelling of 189404602 in words is "one hundred eighty-nine million, four hundred four thousand, six hundred two".