1193642808 has 32 divisors (see below), whose sum is σ = 2985219600. Its totient is φ = 397732608.

The previous prime is 1193642797. The next prime is 1193642809. The reversal of 1193642808 is 8082463911.

It is a self number, because there is not a number n which added to its sum of digits gives 1193642808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1193642809) 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, 70428 + ... + 85716.

Almost surely, 2^1193642808 is an apocalyptic number.

It is an amenable number.

1193642808 is an abundant number, since it is smaller than the sum of its proper divisors (1791576792).

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

1193642808 is a wasteful number, since it uses less digits than its factorization.

1193642808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18551 (or 18547 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 1193642808 is about 34549.1361397069. The cubic root of 1193642808 is about 1060.7787110492.

The spelling of 1193642808 in words is "one billion, one hundred ninety-three million, six hundred forty-two thousand, eight hundred eight".