1828725 has 24 divisors (see below), whose sum is σ = 3109920. Its totient is φ = 947520.

The previous prime is 1828709. The next prime is 1828727. The reversal of 1828725 is 5278281.

It is not a de Polignac number, because 1828725 - 2⁴ = 1828709 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1828727) 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, 2446 + ... + 3104.

It is an arithmetic number, because the mean of its divisors is an integer number (129580).

2^1828725 is an apocalyptic number.

1828725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1828725 is a deficient number, since it is larger than the sum of its proper divisors (1281195).

1828725 is a wasteful number, since it uses less digits than its factorization.

1828725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709 (or 704 counting only the distinct ones).

The product of its digits is 8960, while the sum is 33.

The square root of 1828725 is about 1352.3035901749. The cubic root of 1828725 is about 122.2877067204.

The spelling of 1828725 in words is "one million, eight hundred twenty-eight thousand, seven hundred twenty-five".