190920983 has 8 divisors (see below), whose sum is σ = 208417296. Its totient is φ = 173448000.

The previous prime is 190920979. The next prime is 190921009. The reversal of 190920983 is 389029091.

190920983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 190920983 - 2² = 190920979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 190920983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190920943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14333 + ... + 24233.

It is an arithmetic number, because the mean of its divisors is an integer number (26052162).

Almost surely, 2^190920983 is an apocalyptic number.

190920983 is a deficient number, since it is larger than the sum of its proper divisors (17496313).

190920983 is a wasteful number, since it uses less digits than its factorization.

190920983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11665.

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 190920983 is about 13817.4159306290. The cubic root of 190920983 is about 575.8170946632.

The spelling of 190920983 in words is "one hundred ninety million, nine hundred twenty thousand, nine hundred eighty-three".