1872341 has 4 divisors (see below), whose sum is σ = 1898784. Its totient is φ = 1845900.

The previous prime is 1872337. The next prime is 1872389. The reversal of 1872341 is 1432781.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1872341 - 2² = 1872337 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1872341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1872301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13115 + ... + 13256.

It is an arithmetic number, because the mean of its divisors is an integer number (474696).

2^1872341 is an apocalyptic number.

It is an amenable number.

1872341 is a deficient number, since it is larger than the sum of its proper divisors (26443).

1872341 is an equidigital number, since it uses as much as digits as its factorization.

1872341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26442.

The product of its digits is 1344, while the sum is 26.

The square root of 1872341 is about 1368.3351197715. The cubic root of 1872341 is about 123.2522858478.

The spelling of 1872341 in words is "one million, eight hundred seventy-two thousand, three hundred forty-one".