921234 has 16 divisors (see below), whose sum is σ = 1939680. Its totient is φ = 290880.

The previous prime is 921233. The next prime is 921241. The reversal of 921234 is 432129.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 921234.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 921234.

It is not an unprimeable number, because it can be changed into a prime (921233) 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, 3927 + ... + 4154.

It is an arithmetic number, because the mean of its divisors is an integer number (121230).

2⁹²¹²³⁴ is an apocalyptic number.

921234 is an abundant number, since it is smaller than the sum of its proper divisors (1018446).

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

921234 is a wasteful number, since it uses less digits than its factorization.

921234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8105.

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

The square root of 921234 is about 959.8093560703. The cubic root of 921234 is about 97.3023477817.

It can be divided in two parts, 92 and 1234, that added together give a triangular number (1326 = T₅₁).

The spelling of 921234 in words is "nine hundred twenty-one thousand, two hundred thirty-four".