191942944 has 12 divisors (see below), whose sum is σ = 377887734. Its totient is φ = 95971456.

The previous prime is 191942941. The next prime is 191942969. The reversal of 191942944 is 449249191.

It can be written as a sum of positive squares in only one way, i.e., 185286544 + 6656400 = 13612^2 + 2580^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 191942944.

It is not an unprimeable number, because it can be changed into a prime (191942941) by changing a digit.

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 as a sum of consecutive naturals, namely, 2999077 + ... + 2999140.

Almost surely, 2^191942944 is an apocalyptic number.

It is an amenable number.

191942944 is a deficient number, since it is larger than the sum of its proper divisors (185944790).

191942944 is an equidigital number, since it uses as much as digits as its factorization.

191942944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5998227 (or 5998219 counting only the distinct ones).

The product of its digits is 93312, while the sum is 43.

The square root of 191942944 is about 13854.3474765144. The cubic root of 191942944 is about 576.8426773285.

The spelling of 191942944 in words is "one hundred ninety-one million, nine hundred forty-two thousand, nine hundred forty-four".