1825340 has 24 divisors (see below), whose sum is σ = 4182192. Its totient is φ = 663680.

The previous prime is 1825337. The next prime is 1825357. The reversal of 1825340 is 435281.

It is a super-2 number, since 2×1825340² = 6663732231200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3929 + ... + 4368.

It is an arithmetic number, because the mean of its divisors is an integer number (174258).

2^1825340 is an apocalyptic number.

1825340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1825340 is an abundant number, since it is smaller than the sum of its proper divisors (2356852).

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

1825340 is a wasteful number, since it uses less digits than its factorization.

1825340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8317 (or 8315 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1825340 is about 1351.0514423959. The cubic root of 1825340 is about 122.2122079337.

The spelling of 1825340 in words is "one million, eight hundred twenty-five thousand, three hundred forty".