191496444 has 12 divisors (see below), whose sum is σ = 446825064. Its totient is φ = 63832144.

The previous prime is 191496427. The next prime is 191496479. The reversal of 191496444 is 444694191.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 191496396 and 191496405.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7979007 + ... + 7979030.

It is an arithmetic number, because the mean of its divisors is an integer number (37235422).

Almost surely, 2^191496444 is an apocalyptic number.

It is an amenable number.

191496444 is an abundant number, since it is smaller than the sum of its proper divisors (255328620).

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

191496444 is a wasteful number, since it uses less digits than its factorization.

191496444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15958044 (or 15958042 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 191496444 is about 13838.2240189990. The cubic root of 191496444 is about 576.3950439124.

The spelling of 191496444 in words is "one hundred ninety-one million, four hundred ninety-six thousand, four hundred forty-four".