1842879 has 4 divisors (see below), whose sum is σ = 2457176. Its totient is φ = 1228584.

The previous prime is 1842877. The next prime is 1842887. The reversal of 1842879 is 9782481.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9782481 = 3 ⋅3260827.

It is not a de Polignac number, because 1842879 - 2¹ = 1842877 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1842877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307144 + ... + 307149.

It is an arithmetic number, because the mean of its divisors is an integer number (614294).

2^1842879 is an apocalyptic number.

1842879 is a deficient number, since it is larger than the sum of its proper divisors (614297).

1842879 is an equidigital number, since it uses as much as digits as its factorization.

1842879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614296.

The product of its digits is 32256, while the sum is 39.

The square root of 1842879 is about 1357.5267953157. The cubic root of 1842879 is about 122.6023911387.

The spelling of 1842879 in words is "one million, eight hundred forty-two thousand, eight hundred seventy-nine".