1196928391 has 8 divisors (see below), whose sum is σ = 1207253504. Its totient is φ = 1186617600.

The previous prime is 1196928373. The next prime is 1196928409. The reversal of 1196928391 is 1938296911.

It is an interprime number because it is at equal distance from previous prime (1196928373) and next prime (1196928409).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1196928391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1196925391) 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, 226111 + ... + 231343.

It is an arithmetic number, because the mean of its divisors is an integer number (150906688).

Almost surely, 2^1196928391 is an apocalyptic number.

1196928391 is a deficient number, since it is larger than the sum of its proper divisors (10325113).

1196928391 is a wasteful number, since it uses less digits than its factorization.

1196928391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7161.

The product of its digits is 209952, while the sum is 49.

The square root of 1196928391 is about 34596.6528872375. The cubic root of 1196928391 is about 1061.7511079107.

The spelling of 1196928391 in words is "one billion, one hundred ninety-six million, nine hundred twenty-eight thousand, three hundred ninety-one".