1196386940 has 36 divisors (see below), whose sum is σ = 2922604776. Its totient is φ = 410189472.

The previous prime is 1196386903. The next prime is 1196386949. The reversal of 1196386940 is 496836911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1196386949) 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, 609422 + ... + 611381.

It is an arithmetic number, because the mean of its divisors is an integer number (81183466).

Almost surely, 2^1196386940 is an apocalyptic number.

1196386940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1196386940 is an abundant number, since it is smaller than the sum of its proper divisors (1726217836).

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

1196386940 is a wasteful number, since it uses less digits than its factorization.

1196386940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220826 (or 1220817 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 1196386940 is about 34588.8268086676. The cubic root of 1196386940 is about 1061.5909833475.

The spelling of 1196386940 in words is "one billion, one hundred ninety-six million, three hundred eighty-six thousand, nine hundred forty".