189835674 has 32 divisors (see below), whose sum is σ = 434958336. Its totient is φ = 54107760.

The previous prime is 189835673. The next prime is 189835687. The reversal of 189835674 is 476538981.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (189835673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12859 + ... + 23345.

It is an arithmetic number, because the mean of its divisors is an integer number (13592448).

Almost surely, 2^189835674 is an apocalyptic number.

189835674 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

189835674 is an abundant number, since it is smaller than the sum of its proper divisors (245122662).

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

189835674 is a wasteful number, since it uses less digits than its factorization.

189835674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10930.

The product of its digits is 1451520, while the sum is 51.

The square root of 189835674 is about 13778.0867321991. The cubic root of 189835674 is about 574.7239244315.

The spelling of 189835674 in words is "one hundred eighty-nine million, eight hundred thirty-five thousand, six hundred seventy-four".