1920428596 has 48 divisors (see below), whose sum is σ = 3627424080. Its totient is φ = 886302720.

The previous prime is 1920428581. The next prime is 1920428597. The reversal of 1920428596 is 6958240291.

1920428596 = 333² + 334² + ... + 1796².

It can be written as a sum of positive squares in 8 ways, for example, as 443102500 + 1477326096 = 21050^2 + 38436^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1920428597) 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, 2708290 + ... + 2708998.

It is an arithmetic number, because the mean of its divisors is an integer number (75571335).

Almost surely, 2^1920428596 is an apocalyptic number.

It is an amenable number.

1920428596 is a deficient number, since it is larger than the sum of its proper divisors (1706995484).

1920428596 is a wasteful number, since it uses less digits than its factorization.

1920428596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444 (or 1442 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 1920428596 is about 43822.6949878713. The cubic root of 1920428596 is about 1242.9854779608.

The spelling of 1920428596 in words is "one billion, nine hundred twenty million, four hundred twenty-eight thousand, five hundred ninety-six".