1921348 has 24 divisors (see below), whose sum is σ = 3951360. Its totient is φ = 805920.

The previous prime is 1921327. The next prime is 1921363. The reversal of 1921348 is 8431291.

It is a happy number.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1108 + ... + 2251.

It is an arithmetic number, because the mean of its divisors is an integer number (164640).

2^1921348 is an apocalyptic number.

It is an amenable number.

1921348 is an abundant number, since it is smaller than the sum of its proper divisors (2030012).

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

1921348 is a wasteful number, since it uses less digits than its factorization.

1921348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3387 (or 3385 counting only the distinct ones).

The product of its digits is 1728, while the sum is 28.

The square root of 1921348 is about 1386.1269783104. The cubic root of 1921348 is about 124.3183805823.

It can be divided in two parts, 192 and 1348, that added together give a triangular number (1540 = T₅₅).

The spelling of 1921348 in words is "one million, nine hundred twenty-one thousand, three hundred forty-eight".