190919472 has 20 divisors (see below), whose sum is σ = 493208760. Its totient is φ = 63639808.

The previous prime is 190919459. The next prime is 190919473. The reversal of 190919472 is 274919091.

190919472 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (190919473) 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, 1988697 + ... + 1988792.

It is an arithmetic number, because the mean of its divisors is an integer number (24660438).

Almost surely, 2^190919472 is an apocalyptic number.

190919472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

190919472 is an abundant number, since it is smaller than the sum of its proper divisors (302289288).

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

190919472 is a wasteful number, since it uses less digits than its factorization.

190919472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3977500 (or 3977494 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 42.

The square root of 190919472 is about 13817.3612531482. The cubic root of 190919472 is about 575.8155756021.

The spelling of 190919472 in words is "one hundred ninety million, nine hundred nineteen thousand, four hundred seventy-two".