999632248 has 8 divisors (see below), whose sum is σ = 1874310480. Its totient is φ = 499816120.

The previous prime is 999632243. The next prime is 999632273. The reversal of 999632248 is 842236999.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 999632195 and 999632204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999632243) 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 as a sum of consecutive naturals, namely, 62477008 + ... + 62477023.

It is an arithmetic number, because the mean of its divisors is an integer number (234288810).

Almost surely, 2^999632248 is an apocalyptic number.

It is an amenable number.

999632248 is a deficient number, since it is larger than the sum of its proper divisors (874678232).

999632248 is a wasteful number, since it uses less digits than its factorization.

999632248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124954037 (or 124954033 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 52.

The square root of 999632248 is about 31616.9613973260. The cubic root of 999632248 is about 999.8774009701.

The spelling of 999632248 in words is "nine hundred ninety-nine million, six hundred thirty-two thousand, two hundred forty-eight".