190778832 has 60 divisors (see below), whose sum is σ = 534861600. Its totient is φ = 63480384.

The previous prime is 190778827. The next prime is 190778873. The reversal of 190778832 is 238877091.

190778832 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135669 + ... + 137067.

It is an arithmetic number, because the mean of its divisors is an integer number (8914360).

Almost surely, 2^190778832 is an apocalyptic number.

190778832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

190778832 is an abundant number, since it is smaller than the sum of its proper divisors (344082768).

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

190778832 is a wasteful number, since it uses less digits than its factorization.

190778832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2360 (or 2351 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 190778832 is about 13812.2710659761. The cubic root of 190778832 is about 575.6741501885.

The spelling of 190778832 in words is "one hundred ninety million, seven hundred seventy-eight thousand, eight hundred thirty-two".