189949050 has 60 divisors (see below), whose sum is σ = 527788206. Its totient is φ = 50652000.

The previous prime is 189949021. The next prime is 189949063. The reversal of 189949050 is 50949981.

189949050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 177182721 + 12766329 = 13311^2 + 3573^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 189948987 and 189949005.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 19401 + ... + 27500.

Almost surely, 2^189949050 is an apocalyptic number.

189949050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189949050 is an abundant number, since it is smaller than the sum of its proper divisors (337839156).

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

189949050 is a wasteful number, since it uses less digits than its factorization.

189949050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46925 (or 46911 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The square root of 189949050 is about 13782.2004774274. The cubic root of 189949050 is about 574.8383162293.

The spelling of 189949050 in words is "one hundred eighty-nine million, nine hundred forty-nine thousand, fifty".