1928229474 has 8 divisors (see below), whose sum is σ = 3856458960. Its totient is φ = 642743156.

The previous prime is 1928229463. The next prime is 1928229503. The reversal of 1928229474 is 4749228291.

It is a happy number.

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

1928229474 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 160685784 + ... + 160685795.

It is an arithmetic number, because the mean of its divisors is an integer number (482057370).

Almost surely, 2^1928229474 is an apocalyptic number.

1928229474 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1928229474 is a wasteful number, since it uses less digits than its factorization.

1928229474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321371584.

The product of its digits is 580608, while the sum is 48.

The square root of 1928229474 is about 43911.6097860236. The cubic root of 1928229474 is about 1244.6662275217. Note that the first 3 decimals are identical.

The spelling of 1928229474 in words is "one billion, nine hundred twenty-eight million, two hundred twenty-nine thousand, four hundred seventy-four".