1948311 has 12 divisors (see below), whose sum is σ = 2854800. Its totient is φ = 1280160.

The previous prime is 1948301. The next prime is 1948313. The reversal of 1948311 is 1138491.

It is not a de Polignac number, because 1948311 - 2¹⁰ = 1947287 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1948313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 886 + ... + 2163.

It is an arithmetic number, because the mean of its divisors is an integer number (237900).

2^1948311 is an apocalyptic number.

1948311 is a deficient number, since it is larger than the sum of its proper divisors (906489).

1948311 is a wasteful number, since it uses less digits than its factorization.

1948311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3126 (or 3123 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 1948311 is about 1395.8191143554. The cubic root of 1948311 is about 124.8972168415.

The spelling of 1948311 in words is "one million, nine hundred forty-eight thousand, three hundred eleven".