1846420 has 48 divisors (see below), whose sum is σ = 4213440. Its totient is φ = 677376.

The previous prime is 1846399. The next prime is 1846441. The reversal of 1846420 is 246481.

It is an interprime number because it is at equal distance from previous prime (1846399) and next prime (1846441).

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, 16284 + ... + 16396.

It is an arithmetic number, because the mean of its divisors is an integer number (87780).

2^1846420 is an apocalyptic number.

1846420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1846420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2106720).

1846420 is an abundant number, since it is smaller than the sum of its proper divisors (2367020).

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

1846420 is a wasteful number, since it uses less digits than its factorization.

1846420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184 (or 182 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 1846420 is about 1358.8303794072. The cubic root of 1846420 is about 122.6808656899.

The spelling of 1846420 in words is "one million, eight hundred forty-six thousand, four hundred twenty".