874109 has 2 divisors, whose sum is σ = 874110. Its totient is φ = 874108.

The previous prime is 874103. The next prime is 874117. The reversal of 874109 is 901478.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 850084 + 24025 = 922^2 + 155^2 .

It is a cyclic number.

It is not a de Polignac number, because 874109 - 2¹² = 870013 is a prime.

It is an Ulam number.

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

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (874103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 437054 + 437055.

It is an arithmetic number, because the mean of its divisors is an integer number (437055).

2⁸⁷⁴¹⁰⁹ is an apocalyptic number.

It is an amenable number.

874109 is a deficient number, since it is larger than the sum of its proper divisors (1).

874109 is an equidigital number, since it uses as much as digits as its factorization.

874109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 874109 is about 934.9379658566. The cubic root of 874109 is about 95.6140829378.

It can be divided in two parts, 874 and 109, that multiplied together give a triangular number (95266 = T₄₃₆).

The spelling of 874109 in words is "eight hundred seventy-four thousand, one hundred nine".