996191461 has 4 divisors (see below), whose sum is σ = 1017387072. Its totient is φ = 974995852.

The previous prime is 996191453. The next prime is 996191467. The reversal of 996191461 is 164191699.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 996191461 - 2³ = 996191453 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 (996191467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10597735 + ... + 10597828.

It is an arithmetic number, because the mean of its divisors is an integer number (254346768).

Almost surely, 2^996191461 is an apocalyptic number.

It is an amenable number.

996191461 is a deficient number, since it is larger than the sum of its proper divisors (21195611).

996191461 is a wasteful number, since it uses less digits than its factorization.

996191461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21195610.

The product of its digits is 104976, while the sum is 46.

The square root of 996191461 is about 31562.5008673267. The cubic root of 996191461 is about 998.7288719180.

The spelling of 996191461 in words is "nine hundred ninety-six million, one hundred ninety-one thousand, four hundred sixty-one".