81048324 has 24 divisors (see below), whose sum is σ = 216129088. Its totient is φ = 23156640.

The previous prime is 81048313. The next prime is 81048437. The reversal of 81048324 is 42384018.

It is a junction number, because it is equal to n+sod(n) for n = 81048291 and 81048300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 482347 + ... + 482514.

Almost surely, 2^81048324 is an apocalyptic number.

81048324 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

81048324 is an abundant number, since it is smaller than the sum of its proper divisors (135080764).

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

81048324 is a wasteful number, since it uses less digits than its factorization.

81048324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964875 (or 964873 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 81048324 is about 9002.6842663730. The cubic root of 81048324 is about 432.7608975279.

The spelling of 81048324 in words is "eighty-one million, forty-eight thousand, three hundred twenty-four".