1992795197 has 8 divisors (see below), whose sum is σ = 2003959680. Its totient is φ = 1981647360.

The previous prime is 1992795193. The next prime is 1992795229. The reversal of 1992795197 is 7915972991.

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

It is a cyclic number.

It is not a de Polignac number, because 1992795197 - 2² = 1992795193 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 (1992795193) 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, 293948 + ... + 300650.

It is an arithmetic number, because the mean of its divisors is an integer number (250494960).

Almost surely, 2^1992795197 is an apocalyptic number.

It is an amenable number.

1992795197 is a deficient number, since it is larger than the sum of its proper divisors (11164483).

1992795197 is a wasteful number, since it uses less digits than its factorization.

1992795197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8323.

The product of its digits is 3214890, while the sum is 59.

The square root of 1992795197 is about 44640.7347273765. The cubic root of 1992795197 is about 1258.4063157159.

The spelling of 1992795197 in words is "one billion, nine hundred ninety-two million, seven hundred ninety-five thousand, one hundred ninety-seven".