83990194 has 8 divisors (see below), whose sum is σ = 126892080. Its totient is φ = 41692836.

The previous prime is 83990189. The next prime is 83990219. The reversal of 83990194 is 49109938.

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 83990194.

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 3 ways as a sum of consecutive naturals, for example, 150784 + ... + 151339.

It is an arithmetic number, because the mean of its divisors is an integer number (15861510).

Almost surely, 2^83990194 is an apocalyptic number.

83990194 is a deficient number, since it is larger than the sum of its proper divisors (42901886).

83990194 is a wasteful number, since it uses less digits than its factorization.

83990194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302264.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 83990194 is about 9164.6164131403. The cubic root of 83990194 is about 437.9348714349.

The spelling of 83990194 in words is "eighty-three million, nine hundred ninety thousand, one hundred ninety-four".