921341 has 4 divisors (see below), whose sum is σ = 940992. Its totient is φ = 901692.

The previous prime is 921331. The next prime is 921353. The reversal of 921341 is 143129.

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 a de Polignac number, because none of the positive numbers 2^k-921341 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 (921331) 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, 9755 + ... + 9848.

It is an arithmetic number, because the mean of its divisors is an integer number (235248).

2⁹²¹³⁴¹ is an apocalyptic number.

It is an amenable number.

921341 is a deficient number, since it is larger than the sum of its proper divisors (19651).

921341 is a wasteful number, since it uses less digits than its factorization.

921341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19650.

The product of its digits is 216, while the sum is 20.

The square root of 921341 is about 959.8650946878. The cubic root of 921341 is about 97.3061148116.

The spelling of 921341 in words is "nine hundred twenty-one thousand, three hundred forty-one".