1920888674 has 8 divisors (see below), whose sum is σ = 2887349760. Its totient is φ = 958438756.

The previous prime is 1920888661. The next prime is 1920888703. The reversal of 1920888674 is 4768880291.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001594 + ... + 1003509.

It is an arithmetic number, because the mean of its divisors is an integer number (360918720).

Almost surely, 2^1920888674 is an apocalyptic number.

1920888674 is a deficient number, since it is larger than the sum of its proper divisors (966461086).

1920888674 is a wasteful number, since it uses less digits than its factorization.

1920888674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2005584.

The product of its (nonzero) digits is 1548288, while the sum is 53.

The square root of 1920888674 is about 43827.9439855442. The cubic root of 1920888674 is about 1243.0847309109.

The spelling of 1920888674 in words is "one billion, nine hundred twenty million, eight hundred eighty-eight thousand, six hundred seventy-four".