190425834 has 48 divisors (see below), whose sum is σ = 422547840. Its totient is φ = 61961760.

The previous prime is 190425817. The next prime is 190425871. The reversal of 190425834 is 438524091.

190425834 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138619 + ... + 139985.

It is an arithmetic number, because the mean of its divisors is an integer number (8803080).

Almost surely, 2^190425834 is an apocalyptic number.

190425834 is an abundant number, since it is smaller than the sum of its proper divisors (232122006).

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

190425834 is a wasteful number, since it uses less digits than its factorization.

190425834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555 (or 1552 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 190425834 is about 13799.4867295853. The cubic root of 190425834 is about 575.3188744227.

The spelling of 190425834 in words is "one hundred ninety million, four hundred twenty-five thousand, eight hundred thirty-four".