190934939 has 8 divisors (see below), whose sum is σ = 217717920. Its totient is φ = 165879936.

The previous prime is 190934929. The next prime is 190934957. The reversal of 190934939 is 939439091.

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

It is a cyclic number.

It is not a de Polignac number, because 190934939 - 2⁴ = 190934923 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 190934893 and 190934902.

It is not an unprimeable number, because it can be changed into a prime (190934929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 431759 + ... + 432200.

It is an arithmetic number, because the mean of its divisors is an integer number (27214740).

Almost surely, 2^190934939 is an apocalyptic number.

190934939 is a deficient number, since it is larger than the sum of its proper divisors (26782981).

190934939 is a wasteful number, since it uses less digits than its factorization.

190934939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863989.

The product of its (nonzero) digits is 236196, while the sum is 47.

The square root of 190934939 is about 13817.9209362335. The cubic root of 190934939 is about 575.8311247390.

The spelling of 190934939 in words is "one hundred ninety million, nine hundred thirty-four thousand, nine hundred thirty-nine".