1842456 has 64 divisors (see below), whose sum is σ = 5748480. Its totient is φ = 478080.

The previous prime is 1842431. The next prime is 1842469. The reversal of 1842456 is 6542481.

It is a super-2 number, since 2×1842456² = 6789288223872, which contains 22 as substring.

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, 1350 + ... + 2346.

It is an arithmetic number, because the mean of its divisors is an integer number (89820).

2^1842456 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 1842456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2874240).

1842456 is an abundant number, since it is smaller than the sum of its proper divisors (3906024).

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

1842456 is a wasteful number, since it uses less digits than its factorization.

1842456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024 (or 1020 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 1842456 is about 1357.3709883447. The cubic root of 1842456 is about 122.5930100237.

The spelling of 1842456 in words is "one million, eight hundred forty-two thousand, four hundred fifty-six".