190936838 has 8 divisors (see below), whose sum is σ = 290030880. Its totient is φ = 94259880.

The previous prime is 190936831. The next prime is 190936847. The reversal of 190936838 is 838639091.

190936838 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 a super-2 number, since 2×190936838² = 72913752210876488, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 190936792 and 190936801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190936831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 604073 + ... + 604388.

It is an arithmetic number, because the mean of its divisors is an integer number (36253860).

Almost surely, 2^190936838 is an apocalyptic number.

190936838 is a deficient number, since it is larger than the sum of its proper divisors (99094042).

190936838 is a wasteful number, since it uses less digits than its factorization.

190936838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208542.

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 190936838 is about 13817.9896511757. The cubic root of 190936838 is about 575.8330337657.

The spelling of 190936838 in words is "one hundred ninety million, nine hundred thirty-six thousand, eight hundred thirty-eight".