841309 has 8 divisors (see below), whose sum is σ = 992768. Its totient is φ = 697680.

The previous prime is 841307. The next prime is 841327. The reversal of 841309 is 903148.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 841309 - 2¹ = 841307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (841307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1722 + ... + 2155.

It is an arithmetic number, because the mean of its divisors is an integer number (124096).

2⁸⁴¹³⁰⁹ is an apocalyptic number.

It is an amenable number.

841309 is a deficient number, since it is larger than the sum of its proper divisors (151459).

841309 is a wasteful number, since it uses less digits than its factorization.

841309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3915.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 841309 is about 917.2289790450. The cubic root of 841309 is about 94.4028657681.

The spelling of 841309 in words is "eight hundred forty-one thousand, three hundred nine".