189873034 has 32 divisors (see below), whose sum is σ = 335981520. Its totient is φ = 79629312.

The previous prime is 189873029. The next prime is 189873037. The reversal of 189873034 is 430378981.

It is a happy number.

189873034 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 8 ways, for example, as 68807025 + 121066009 = 8295^2 + 11003^2 .

It is not an unprimeable number, because it can be changed into a prime (189873037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5412 + ... + 20224.

Almost surely, 2^189873034 is an apocalyptic number.

189873034 is a deficient number, since it is larger than the sum of its proper divisors (146108486).

189873034 is a wasteful number, since it uses less digits than its factorization.

189873034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14874.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 189873034 is about 13779.4424415504. The cubic root of 189873034 is about 574.7616241904.

The spelling of 189873034 in words is "one hundred eighty-nine million, eight hundred seventy-three thousand, thirty-four".