1948321 has 4 divisors (see below), whose sum is σ = 1953792. Its totient is φ = 1942852.

The previous prime is 1948313. The next prime is 1948327. The reversal of 1948321 is 1238491.

It is a happy number.

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 not a de Polignac number, because 1948321 - 2³ = 1948313 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1948321.

It is not an unprimeable number, because it can be changed into a prime (1948327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2161 + ... + 2926.

It is an arithmetic number, because the mean of its divisors is an integer number (488448).

2^1948321 is an apocalyptic number.

It is an amenable number.

1948321 is a deficient number, since it is larger than the sum of its proper divisors (5471).

1948321 is an equidigital number, since it uses as much as digits as its factorization.

1948321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5470.

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

The square root of 1948321 is about 1395.8226964769. The cubic root of 1948321 is about 124.8974305257.

It can be divided in two parts, 194 and 8321, that added together give a triangular number (8515 = T₁₃₀).

The spelling of 1948321 in words is "one million, nine hundred forty-eight thousand, three hundred twenty-one".