189077434 has 64 divisors (see below), whose sum is σ = 385814016. Its totient is φ = 67313664.

The previous prime is 189077429. The next prime is 189077443. The reversal of 189077434 is 434770981.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69834 + ... + 72490.

It is an arithmetic number, because the mean of its divisors is an integer number (6028344).

Almost surely, 2^189077434 is an apocalyptic number.

189077434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

189077434 is an abundant number, since it is smaller than the sum of its proper divisors (196736582).

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

189077434 is a wasteful number, since it uses less digits than its factorization.

189077434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2719.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 189077434 is about 13750.5430438219. The cubic root of 189077434 is about 573.9577176299.

The spelling of 189077434 in words is "one hundred eighty-nine million, seventy-seven thousand, four hundred thirty-four".