1928297 has 24 divisors (see below), whose sum is σ = 2462400. Its totient is φ = 1500576.

The previous prime is 1928287. The next prime is 1928317. The reversal of 1928297 is 7928291.

It is not a de Polignac number, because 1928297 - 2⁸ = 1928041 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 1928297.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1928207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32654 + ... + 32712.

It is an arithmetic number, because the mean of its divisors is an integer number (102600).

2^1928297 is an apocalyptic number.

It is an amenable number.

1928297 is a deficient number, since it is larger than the sum of its proper divisors (534103).

1928297 is a wasteful number, since it uses less digits than its factorization.

1928297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 118 counting only the distinct ones).

The product of its digits is 18144, while the sum is 38.

The square root of 1928297 is about 1388.6313405652. The cubic root of 1928297 is about 124.4680756628.

The spelling of 1928297 in words is "one million, nine hundred twenty-eight thousand, two hundred ninety-seven".