1197947896 has 16 divisors (see below), whose sum is σ = 2247019200. Its totient is φ = 598742784.

The previous prime is 1197947869. The next prime is 1197947899. The reversal of 1197947896 is 6987497911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1197947899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5785 + ... + 49288.

It is an arithmetic number, because the mean of its divisors is an integer number (140438700).

Almost surely, 2^1197947896 is an apocalyptic number.

It is an amenable number.

1197947896 is a deficient number, since it is larger than the sum of its proper divisors (1049071304).

1197947896 is a wasteful number, since it uses less digits than its factorization.

1197947896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57798 (or 57794 counting only the distinct ones).

The product of its digits is 6858432, while the sum is 61.

The square root of 1197947896 is about 34611.3839076105. The cubic root of 1197947896 is about 1062.0524774780.

The spelling of 1197947896 in words is "one billion, one hundred ninety-seven million, nine hundred forty-seven thousand, eight hundred ninety-six".