190984646 has 8 divisors (see below), whose sum is σ = 286887744. Its totient is φ = 95355400.

The previous prime is 190984643. The next prime is 190984669. The reversal of 190984646 is 646489091.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 190984646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190984643) 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 3 ways as a sum of consecutive naturals, for example, 66710 + ... + 69513.

It is an arithmetic number, because the mean of its divisors is an integer number (35860968).

Almost surely, 2^190984646 is an apocalyptic number.

190984646 is a deficient number, since it is larger than the sum of its proper divisors (95903098).

190984646 is a wasteful number, since it uses less digits than its factorization.

190984646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136926.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 190984646 is about 13819.7194616968. The cubic root of 190984646 is about 575.8810900211.

The spelling of 190984646 in words is "one hundred ninety million, nine hundred eighty-four thousand, six hundred forty-six".