1839225 has 24 divisors (see below), whose sum is σ = 3080160. Its totient is φ = 968320.

The previous prime is 1839221. The next prime is 1839283. The reversal of 1839225 is 5229381.

It is a happy number.

It is not a de Polignac number, because 1839225 - 2² = 1839221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1839192 and 1839201.

It is not an unprimeable number, because it can be changed into a prime (1839221) 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, 10186 + ... + 10364.

It is an arithmetic number, because the mean of its divisors is an integer number (128340).

2^1839225 is an apocalyptic number.

1839225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1839225 is a deficient number, since it is larger than the sum of its proper divisors (1240935).

1839225 is a wasteful number, since it uses less digits than its factorization.

1839225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329 (or 324 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 1839225 is about 1356.1802977481. The cubic root of 1839225 is about 122.5213068589.

The spelling of 1839225 in words is "one million, eight hundred thirty-nine thousand, two hundred twenty-five".