921342 has 8 divisors (see below), whose sum is σ = 1842696. Its totient is φ = 307112.

The previous prime is 921331. The next prime is 921353. The reversal of 921342 is 243129.

It is an interprime number because it is at equal distance from previous prime (921331) and next prime (921353).

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

921342 is an admirable number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 921342.

It is an unprimeable number.

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, 76773 + ... + 76784.

It is an arithmetic number, because the mean of its divisors is an integer number (230337).

2⁹²¹³⁴² is an apocalyptic number.

921342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

921342 is a wasteful number, since it uses less digits than its factorization.

921342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153562.

The product of its digits is 432, while the sum is 21.

The square root of 921342 is about 959.8656155942. The cubic root of 921342 is about 97.3061500162.

The spelling of 921342 in words is "nine hundred twenty-one thousand, three hundred forty-two".