992246478 has 16 divisors (see below), whose sum is σ = 2009614080. Its totient is φ = 326561976.

The previous prime is 992246467. The next prime is 992246509. The reversal of 992246478 is 874642299.

It is a self number, because there is not a number n which added to its sum of digits gives 992246478.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1046200 + ... + 1047147.

It is an arithmetic number, because the mean of its divisors is an integer number (125600880).

Almost surely, 2^992246478 is an apocalyptic number.

992246478 is an abundant number, since it is smaller than the sum of its proper divisors (1017367602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

992246478 is a wasteful number, since it uses less digits than its factorization.

992246478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2093431.

The product of its digits is 1741824, while the sum is 51.

The square root of 992246478 is about 31499.9440951885. The cubic root of 992246478 is about 997.4087840661.

The spelling of 992246478 in words is "nine hundred ninety-two million, two hundred forty-six thousand, four hundred seventy-eight".