1840906 has 8 divisors (see below), whose sum is σ = 2767680. Its totient is φ = 918348.

The previous prime is 1840877. The next prime is 1840921. The reversal of 1840906 is 6090481.

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

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, 495 + ... + 1981.

It is an arithmetic number, because the mean of its divisors is an integer number (345960).

2^1840906 is an apocalyptic number.

1840906 is a deficient number, since it is larger than the sum of its proper divisors (926774).

1840906 is a wasteful number, since it uses less digits than its factorization.

1840906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2108.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 1840906 is about 1356.7999115566. The cubic root of 1840906 is about 122.5586225039.

The spelling of 1840906 in words is "one million, eight hundred forty thousand, nine hundred six".