1840916 has 48 divisors (see below), whose sum is σ = 4139520. Its totient is φ = 695520.

The previous prime is 1840877. The next prime is 1840921. The reversal of 1840916 is 6190481.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13175 + ... + 13313.

It is an arithmetic number, because the mean of its divisors is an integer number (86240).

2^1840916 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1840916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2069760).

1840916 is an abundant number, since it is smaller than the sum of its proper divisors (2298604).

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

1840916 is a wasteful number, since it uses less digits than its factorization.

1840916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1840916 is about 1356.8035966933. The cubic root of 1840916 is about 122.5588444207.

The spelling of 1840916 in words is "one million, eight hundred forty thousand, nine hundred sixteen".