1840522 has 8 divisors (see below), whose sum is σ = 2923236. Its totient is φ = 866112.

The previous prime is 1840519. The next prime is 1840537. The reversal of 1840522 is 2250481.

It can be written as a sum of positive squares in 2 ways, for example, as 1745041 + 95481 = 1321^2 + 309^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1840493 and 1840502.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27033 + ... + 27100.

2^1840522 is an apocalyptic number.

1840522 is a deficient number, since it is larger than the sum of its proper divisors (1082714).

1840522 is a wasteful number, since it uses less digits than its factorization.

1840522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54152.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 1840522 is about 1356.6583947332. The cubic root of 1840522 is about 122.5501002901.

The spelling of 1840522 in words is "one million, eight hundred forty thousand, five hundred twenty-two".