1178408396 has 12 divisors (see below), whose sum is σ = 2249688840. Its totient is φ = 535640160.

The previous prime is 1178408389. The next prime is 1178408419. The reversal of 1178408396 is 6938048711.

It is a self number, because there is not a number n which added to its sum of digits gives 1178408396.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13390961 + ... + 13391048.

It is an arithmetic number, because the mean of its divisors is an integer number (187474070).

Almost surely, 2^1178408396 is an apocalyptic number.

It is an amenable number.

1178408396 is a deficient number, since it is larger than the sum of its proper divisors (1071280444).

1178408396 is a wasteful number, since it uses less digits than its factorization.

1178408396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26782024 (or 26782022 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 1178408396 is about 34327.9535655710. The cubic root of 1178408396 is about 1056.2464833934.

The spelling of 1178408396 in words is "one billion, one hundred seventy-eight million, four hundred eight thousand, three hundred ninety-six".