2051928 has 24 divisors (see below), whose sum is σ = 5557500. Its totient is φ = 683952.

The previous prime is 2051923. The next prime is 2051947. The reversal of 2051928 is 8291502.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14178 + ... + 14321.

2^2051928 is an apocalyptic number.

It is an amenable number.

2051928 is an abundant number, since it is smaller than the sum of its proper divisors (3505572).

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

2051928 is a wasteful number, since it uses less digits than its factorization.

2051928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28511 (or 28504 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 2051928 is about 1432.4552349026. The cubic root of 2051928 is about 127.0732212564.

The spelling of 2051928 in words is "two million, fifty-one thousand, nine hundred twenty-eight".