1928382920 has 32 divisors (see below), whose sum is σ = 4340157120. Its totient is φ = 771122880.

The previous prime is 1928382919. The next prime is 1928382923. The reversal of 1928382920 is 292838291.

It is a super-2 number, since 2×1928382920² = 7437321372295452800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1928382923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207575 + ... + 216665.

It is an arithmetic number, because the mean of its divisors is an integer number (135629910).

Almost surely, 2^1928382920 is an apocalyptic number.

1928382920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1928382920 is an abundant number, since it is smaller than the sum of its proper divisors (2411774200).

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

1928382920 is a wasteful number, since it uses less digits than its factorization.

1928382920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14405 (or 14401 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 1928382920 is about 43913.3569657342. The cubic root of 1928382920 is about 1244.6992429538.

The spelling of 1928382920 in words is "one billion, nine hundred twenty-eight million, three hundred eighty-two thousand, nine hundred twenty".