1948481 has 4 divisors (see below), whose sum is σ = 2015700. Its totient is φ = 1881264.

The previous prime is 1948447. The next prime is 1948483. The reversal of 1948481 is 1848491.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1537600 + 410881 = 1240^2 + 641^2 .

It is a cyclic number.

It is not a de Polignac number, because 1948481 - 2¹⁰ = 1947457 is a prime.

It is a super-2 number, since 2×1948481² = 7593156414722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1948483) 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, 33566 + ... + 33623.

It is an arithmetic number, because the mean of its divisors is an integer number (503925).

2^1948481 is an apocalyptic number.

It is an amenable number.

1948481 is a deficient number, since it is larger than the sum of its proper divisors (67219).

1948481 is an equidigital number, since it uses as much as digits as its factorization.

1948481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67218.

The product of its digits is 9216, while the sum is 35.

The square root of 1948481 is about 1395.8800091698. The cubic root of 1948481 is about 124.9008493740.

The spelling of 1948481 in words is "one million, nine hundred forty-eight thousand, four hundred eighty-one".