190936842 has 16 divisors (see below), whose sum is σ = 389999232. Its totient is φ = 62291360.

The previous prime is 190936831. The next prime is 190936847. The reversal of 190936842 is 248639091.

190936842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 190936794 and 190936803.

It is not an unprimeable number, because it can be changed into a prime (190936847) 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, 338259 + ... + 338822.

It is an arithmetic number, because the mean of its divisors is an integer number (24374952).

Almost surely, 2^190936842 is an apocalyptic number.

190936842 is an abundant number, since it is smaller than the sum of its proper divisors (199062390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

190936842 is a wasteful number, since it uses less digits than its factorization.

190936842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677133.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 190936842 is about 13817.9897959146. The cubic root of 190936842 is about 575.8330377868.

The spelling of 190936842 in words is "one hundred ninety million, nine hundred thirty-six thousand, eight hundred forty-two".