1928725 has 12 divisors (see below), whose sum is σ = 2410560. Its totient is φ = 1530800.

The previous prime is 1928687. The next prime is 1928741. The reversal of 1928725 is 5278291.

It is not a de Polignac number, because 1928725 - 2¹³ = 1920533 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4260 + ... + 4690.

It is an arithmetic number, because the mean of its divisors is an integer number (200880).

2^1928725 is an apocalyptic number.

It is an amenable number.

1928725 is a deficient number, since it is larger than the sum of its proper divisors (481835).

1928725 is a wasteful number, since it uses less digits than its factorization.

1928725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620 (or 615 counting only the distinct ones).

The product of its digits is 10080, while the sum is 34.

The square root of 1928725 is about 1388.7854405919. The cubic root of 1928725 is about 124.4772838562.

The spelling of 1928725 in words is "one million, nine hundred twenty-eight thousand, seven hundred twenty-five".