190184434 has 32 divisors (see below), whose sum is σ = 317416320. Its totient is φ = 84739200.

The previous prime is 190184429. The next prime is 190184437. The reversal of 190184434 is 434481091.

It is a self number, because there is not a number n which added to its sum of digits gives 190184434.

It is not an unprimeable number, because it can be changed into a prime (190184437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 488712 + ... + 489100.

It is an arithmetic number, because the mean of its divisors is an integer number (9919260).

Almost surely, 2^190184434 is an apocalyptic number.

190184434 is a deficient number, since it is larger than the sum of its proper divisors (127231886).

190184434 is a wasteful number, since it uses less digits than its factorization.

190184434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 190184434 is about 13790.7372536786. The cubic root of 190184434 is about 575.0756638930.

The spelling of 190184434 in words is "one hundred ninety million, one hundred eighty-four thousand, four hundred thirty-four".