189025004 has 24 divisors (see below), whose sum is σ = 383378688. Its totient is φ = 79868880.

The previous prime is 189024991. The next prime is 189025007. The reversal of 189025004 is 400520981.

It is not an unprimeable number, because it can be changed into a prime (189025007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45554 + ... + 49529.

It is an arithmetic number, because the mean of its divisors is an integer number (15974112).

Almost surely, 2^189025004 is an apocalyptic number.

189025004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

189025004 is an abundant number, since it is smaller than the sum of its proper divisors (194353684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

189025004 is a wasteful number, since it uses less digits than its factorization.

189025004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95165 (or 95163 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 189025004 is about 13748.6364414803. The cubic root of 189025004 is about 573.9046610868.

Adding to 189025004 its reverse (400520981), we get a palindrome (589545985).

The spelling of 189025004 in words is "one hundred eighty-nine million, twenty-five thousand, four".