992447673 has 16 divisors (see below), whose sum is σ = 1537935360. Its totient is φ = 557500176.

The previous prime is 992447663. The next prime is 992447689. The reversal of 992447673 is 376744299.

It is not a de Polignac number, because 992447673 - 2⁹ = 992447161 is a prime.

It is a super-2 number, since 2×992447673² = 1969904767286229858, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (992447663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 399265 + ... + 401742.

It is an arithmetic number, because the mean of its divisors is an integer number (96120960).

Almost surely, 2^992447673 is an apocalyptic number.

It is an amenable number.

992447673 is a deficient number, since it is larger than the sum of its proper divisors (545487687).

992447673 is a wasteful number, since it uses less digits than its factorization.

992447673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801076.

The product of its digits is 2286144, while the sum is 51.

The square root of 992447673 is about 31503.1375104131. The cubic root of 992447673 is about 997.4761934256.

The spelling of 992447673 in words is "nine hundred ninety-two million, four hundred forty-seven thousand, six hundred seventy-three".