81294096 has 40 divisors (see below), whose sum is σ = 226166080. Its totient is φ = 25013376.

The previous prime is 81294079. The next prime is 81294127. The reversal of 81294096 is 69049218.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 64516 + ... + 65763.

It is an arithmetic number, because the mean of its divisors is an integer number (5654152).

Almost surely, 2^81294096 is an apocalyptic number.

It is an amenable number.

81294096 is an abundant number, since it is smaller than the sum of its proper divisors (144871984).

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

81294096 is a wasteful number, since it uses less digits than its factorization.

81294096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130303 (or 130297 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 81294096 is about 9016.3238628612. The cubic root of 81294096 is about 433.1978927145.

The spelling of 81294096 in words is "eighty-one million, two hundred ninety-four thousand, ninety-six".