189488050 has 12 divisors (see below), whose sum is σ = 352447866. Its totient is φ = 75795200.

The previous prime is 189488041. The next prime is 189488051. The reversal of 189488050 is 50884981.

It can be written as a sum of positive squares in 3 ways, for example, as 128663649 + 60824401 = 11343^2 + 7799^2 .

It is a junction number, because it is equal to n+sod(n) for n = 189487988 and 189488006.

It is not an unprimeable number, because it can be changed into a prime (189488051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1894831 + ... + 1894930.

Almost surely, 2^189488050 is an apocalyptic number.

189488050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189488050 is a deficient number, since it is larger than the sum of its proper divisors (162959816).

189488050 is a wasteful number, since it uses less digits than its factorization.

189488050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3789773 (or 3789768 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 43.

The square root of 189488050 is about 13765.4658475476. The cubic root of 189488050 is about 574.3729017129.

The spelling of 189488050 in words is "one hundred eighty-nine million, four hundred eighty-eight thousand, fifty".