1169871438 has 16 divisors (see below), whose sum is σ = 2383889616. Its totient is φ = 382599360.

The previous prime is 1169871433. The next prime is 1169871457. The reversal of 1169871438 is 8341789611.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1169871431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1839103 + ... + 1839738.

It is an arithmetic number, because the mean of its divisors is an integer number (148993101).

Almost surely, 2^1169871438 is an apocalyptic number.

1169871438 is an abundant number, since it is smaller than the sum of its proper divisors (1214018178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1169871438 is a wasteful number, since it uses less digits than its factorization.

1169871438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3678899.

The product of its digits is 290304, while the sum is 48.

The square root of 1169871438 is about 34203.3834291288. The cubic root of 1169871438 is about 1053.6896463423.

The spelling of 1169871438 in words is "one billion, one hundred sixty-nine million, eight hundred seventy-one thousand, four hundred thirty-eight".