189038002 has 8 divisors (see below), whose sum is σ = 284067756. Its totient is φ = 94348752.

The previous prime is 189037993. The next prime is 189038009. The reversal of 189038002 is 200830981.

It can be written as a sum of positive squares in 2 ways, for example, as 157778721 + 31259281 = 12561^2 + 5591^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (189038009) 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, 83733 + ... + 85960.

Almost surely, 2^189038002 is an apocalyptic number.

189038002 is a deficient number, since it is larger than the sum of its proper divisors (95029754).

189038002 is a wasteful number, since it uses less digits than its factorization.

189038002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170252.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 189038002 is about 13749.1091347767. The cubic root of 189038002 is about 573.9178153286.

Adding to 189038002 its reverse (200830981), we get a palindrome (389868983).

The spelling of 189038002 in words is "one hundred eighty-nine million, thirty-eight thousand, two".