1928051 has 4 divisors (see below), whose sum is σ = 1931400. Its totient is φ = 1924704.

The previous prime is 1928041. The next prime is 1928071. The reversal of 1928051 is 1508291.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1928051 - 2¹⁸ = 1665907 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1928051.

It is not an unprimeable number, because it can be changed into a prime (1928011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566 + ... + 2043.

It is an arithmetic number, because the mean of its divisors is an integer number (482850).

2^1928051 is an apocalyptic number.

1928051 is a deficient number, since it is larger than the sum of its proper divisors (3349).

1928051 is an equidigital number, since it uses as much as digits as its factorization.

1928051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3348.

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 1928051 is about 1388.5427613149. The cubic root of 1928051 is about 124.4627824863.

The spelling of 1928051 in words is "one million, nine hundred twenty-eight thousand, fifty-one".