190065824 has 48 divisors (see below), whose sum is σ = 405592992. Its totient is φ = 87153408.

The previous prime is 190065823. The next prime is 190065839. The reversal of 190065824 is 428560091.

It is a super-2 number, since 2×190065824² = 72250034905597952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (190065823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66407 + ... + 69209.

It is an arithmetic number, because the mean of its divisors is an integer number (8449854).

Almost surely, 2^190065824 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190065824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202796496).

190065824 is an abundant number, since it is smaller than the sum of its proper divisors (215527168).

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

190065824 is a wasteful number, since it uses less digits than its factorization.

190065824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2989 (or 2981 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 190065824 is about 13786.4362327615. The cubic root of 190065824 is about 574.9560888962.

The spelling of 190065824 in words is "one hundred ninety million, sixty-five thousand, eight hundred twenty-four".