189004916 has 18 divisors (see below), whose sum is σ = 339034710. Its totient is φ = 92194240.

The previous prime is 189004891. The next prime is 189004927. The reversal of 189004916 is 619400981.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 49056016 + 139948900 = 7004^2 + 11830^2 .

It is a nialpdrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 189004916.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7331 + ... + 20778.

Almost surely, 2^189004916 is an apocalyptic number.

It is an amenable number.

189004916 is a deficient number, since it is larger than the sum of its proper divisors (150029794).

189004916 is a wasteful number, since it uses less digits than its factorization.

189004916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28195 (or 28152 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 189004916 is about 13747.9058768963. The cubic root of 189004916 is about 573.8843304339.

The spelling of 189004916 in words is "one hundred eighty-nine million, four thousand, nine hundred sixteen".