1948039 has 4 divisors (see below), whose sum is σ = 1967056. Its totient is φ = 1929024.

The previous prime is 1948021. The next prime is 1948043. The reversal of 1948039 is 9308491.

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

It is a cyclic number.

It is not a de Polignac number, because 1948039 - 2⁹ = 1947527 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1947995 and 1948013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1948049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9354 + ... + 9559.

It is an arithmetic number, because the mean of its divisors is an integer number (491764).

2^1948039 is an apocalyptic number.

1948039 is a deficient number, since it is larger than the sum of its proper divisors (19017).

1948039 is a wasteful number, since it uses less digits than its factorization.

1948039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19016.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 1948039 is about 1395.7216771262. The cubic root of 1948039 is about 124.8914043499.

The spelling of 1948039 in words is "one million, nine hundred forty-eight thousand, thirty-nine".