1873229 has 6 divisors (see below), whose sum is σ = 1977390. Its totient is φ = 1774296.

The previous prime is 1873219. The next prime is 1873231. The reversal of 1873229 is 9223781.

It can be written as a sum of positive squares in only one way, i.e., 1768900 + 104329 = 1330^2 + 323^2 .

It is not a de Polignac number, because 1873229 - 2¹⁶ = 1807693 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1873195 and 1873204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1873219) 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 5 ways as a sum of consecutive naturals, for example, 2234 + ... + 2955.

It is an arithmetic number, because the mean of its divisors is an integer number (329565).

2^1873229 is an apocalyptic number.

1873229 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1873229 is a deficient number, since it is larger than the sum of its proper divisors (104161).

1873229 is an equidigital number, since it uses as much as digits as its factorization.

1873229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5227 (or 5208 counting only the distinct ones).

The product of its digits is 6048, while the sum is 32.

The square root of 1873229 is about 1368.6595632224. The cubic root of 1873229 is about 123.2717678282.

The spelling of 1873229 in words is "one million, eight hundred seventy-three thousand, two hundred twenty-nine".