1934120928 has 24 divisors (see below), whose sum is σ = 5077067688. Its totient is φ = 644706944.

The previous prime is 1934120917. The next prime is 1934120933. The reversal of 1934120928 is 8290214391.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10073451 + ... + 10073642.

It is an arithmetic number, because the mean of its divisors is an integer number (211544487).

Almost surely, 2^1934120928 is an apocalyptic number.

It is an amenable number.

1934120928 is an abundant number, since it is smaller than the sum of its proper divisors (3142946760).

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

1934120928 is a wasteful number, since it uses less digits than its factorization.

1934120928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20147106 (or 20147098 counting only the distinct ones).

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

The square root of 1934120928 is about 43978.6417252739. The cubic root of 1934120928 is about 1245.9325771861.

The spelling of 1934120928 in words is "one billion, nine hundred thirty-four million, one hundred twenty thousand, nine hundred twenty-eight".