190644946 has 8 divisors (see below), whose sum is σ = 286542000. Its totient is φ = 95130948.

The previous prime is 190644893. The next prime is 190644967. The reversal of 190644946 is 649446091.

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

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, 94516 + ... + 96511.

It is an arithmetic number, because the mean of its divisors is an integer number (35817750).

Almost surely, 2^190644946 is an apocalyptic number.

190644946 is a deficient number, since it is larger than the sum of its proper divisors (95897054).

190644946 is a wasteful number, since it uses less digits than its factorization.

190644946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191528.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 190644946 is about 13807.4235829861. The cubic root of 190644946 is about 575.5394519003.

The spelling of 190644946 in words is "one hundred ninety million, six hundred forty-four thousand, nine hundred forty-six".