190313868 has 48 divisors (see below), whose sum is σ = 466260480. Its totient is φ = 60301824.

The previous prime is 190313843. The next prime is 190313869. The reversal of 190313868 is 868313091.

It is not an unprimeable number, because it can be changed into a prime (190313869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44028 + ... + 48156.

It is an arithmetic number, because the mean of its divisors is an integer number (9713760).

Almost surely, 2^190313868 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 190313868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233130240).

190313868 is an abundant number, since it is smaller than the sum of its proper divisors (275946612).

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

190313868 is a wasteful number, since it uses less digits than its factorization.

190313868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4326 (or 4324 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 190313868 is about 13795.4292430500. The cubic root of 190313868 is about 575.2060942378.

The spelling of 190313868 in words is "one hundred ninety million, three hundred thirteen thousand, eight hundred sixty-eight".