190981344 has 48 divisors (see below), whose sum is σ = 502225920. Its totient is φ = 63546240.

The previous prime is 190981339. The next prime is 190981379. The reversal of 190981344 is 443189091.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64897 + ... + 67775.

It is an arithmetic number, because the mean of its divisors is an integer number (10463040).

Almost surely, 2^190981344 is an apocalyptic number.

It is an amenable number.

190981344 is an abundant number, since it is smaller than the sum of its proper divisors (311244576).

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

190981344 is a wasteful number, since it uses less digits than its factorization.

190981344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3583 (or 3575 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 190981344 is about 13819.5999942111. The cubic root of 190981344 is about 575.8777711324.

The spelling of 190981344 in words is "one hundred ninety million, nine hundred eighty-one thousand, three hundred forty-four".