921348 has 48 divisors (see below), whose sum is σ = 2520000. Its totient is φ = 290304.

The previous prime is 921331. The next prime is 921353. The reversal of 921348 is 843129.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is an unprimeable number.

921348 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1828 + ... + 2276.

It is an arithmetic number, because the mean of its divisors is an integer number (52500).

2⁹²¹³⁴⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 921348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1260000).

921348 is an abundant number, since it is smaller than the sum of its proper divisors (1598652).

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

921348 is a wasteful number, since it uses less digits than its factorization.

921348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481 (or 473 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 921348 is about 959.8687410266. The cubic root of 921348 is about 97.3063612427.

It can be divided in two parts, 9213 and 48, that added together give a cube (9261 = 21³).

The spelling of 921348 in words is "nine hundred twenty-one thousand, three hundred forty-eight".