1948031239 has 16 divisors (see below), whose sum is σ = 2512465920. Its totient is φ = 1465601760.

The previous prime is 1948031171. The next prime is 1948031243. The reversal of 1948031239 is 9321308491.

It is not a de Polignac number, because 1948031239 - 2¹⁵ = 1947998471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1948031539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 433959 + ... + 438424.

It is an arithmetic number, because the mean of its divisors is an integer number (157029120).

Almost surely, 2^1948031239 is an apocalyptic number.

1948031239 is a deficient number, since it is larger than the sum of its proper divisors (564434681).

1948031239 is a wasteful number, since it uses less digits than its factorization.

1948031239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872430.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 1948031239 is about 44136.5068735622. The cubic root of 1948031239 is about 1248.9123849359.

The spelling of 1948031239 in words is "one billion, nine hundred forty-eight million, thirty-one thousand, two hundred thirty-nine".