190928712 has 32 divisors (see below), whose sum is σ = 514039680. Its totient is φ = 58747200.

The previous prime is 190928671. The next prime is 190928741. The reversal of 190928712 is 217829091.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305664 + ... + 306287.

It is an arithmetic number, because the mean of its divisors is an integer number (16063740).

Almost surely, 2^190928712 is an apocalyptic number.

190928712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

190928712 is an abundant number, since it is smaller than the sum of its proper divisors (323110968).

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

190928712 is a wasteful number, since it uses less digits than its factorization.

190928712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611973 (or 611969 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 190928712 is about 13817.6956110634. The cubic root of 190928712 is about 575.8248647718.

The spelling of 190928712 in words is "one hundred ninety million, nine hundred twenty-eight thousand, seven hundred twelve".