190842378 has 16 divisors (see below), whose sum is σ = 383325696. Its totient is φ = 63340640.

The previous prime is 190842361. The next prime is 190842383. The reversal of 190842378 is 873248091.

190842378 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 7 ways as a sum of consecutive naturals, for example, 66858 + ... + 69653.

It is an arithmetic number, because the mean of its divisors is an integer number (23957856).

Almost surely, 2^190842378 is an apocalyptic number.

190842378 is an abundant number, since it is smaller than the sum of its proper divisors (192483318).

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

190842378 is a wasteful number, since it uses less digits than its factorization.

190842378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136749.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 190842378 is about 13814.5712202732. The cubic root of 190842378 is about 575.7380596699.

The spelling of 190842378 in words is "one hundred ninety million, eight hundred forty-two thousand, three hundred seventy-eight".