992657449 has 8 divisors (see below), whose sum is σ = 1141426880. Its totient is φ = 845628336.

The previous prime is 992657401. The next prime is 992657459. The reversal of 992657449 is 944756299.

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

It is a de Polignac number, because none of the positive numbers 2^k-992657449 is a prime.

It is a super-2 number, since 2×992657449² = 1970737622110375202, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 992657449.

It is not an unprimeable number, because it can be changed into a prime (992657459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433854 + ... + 436135.

It is an arithmetic number, because the mean of its divisors is an integer number (142678360).

Almost surely, 2^992657449 is an apocalyptic number.

It is an amenable number.

992657449 is a deficient number, since it is larger than the sum of its proper divisors (148769431).

992657449 is a wasteful number, since it uses less digits than its factorization.

992657449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870159.

The product of its digits is 4898880, while the sum is 55.

The square root of 992657449 is about 31506.4667806468. The cubic root of 992657449 is about 997.5464681045.

The spelling of 992657449 in words is "nine hundred ninety-two million, six hundred fifty-seven thousand, four hundred forty-nine".