941909 has 4 divisors (see below), whose sum is σ = 967404. Its totient is φ = 916416.

The previous prime is 941903. The next prime is 941911. The reversal of 941909 is 909149.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 909149 = 43 ⋅21143.

It can be written as a sum of positive squares in 2 ways, for example, as 386884 + 555025 = 622^2 + 745^2 .

It is not a de Polignac number, because 941909 - 2⁸ = 941653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (941903) 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 in 3 ways as a sum of consecutive naturals, for example, 12692 + ... + 12765.

It is an arithmetic number, because the mean of its divisors is an integer number (241851).

2⁹⁴¹⁹⁰⁹ is an apocalyptic number.

It is an amenable number.

941909 is a deficient number, since it is larger than the sum of its proper divisors (25495).

941909 is a wasteful number, since it uses less digits than its factorization.

941909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25494.

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 941909 is about 970.5199637308. The cubic root of 941909 is about 98.0248791478.

The spelling of 941909 in words is "nine hundred forty-one thousand, nine hundred nine".