82280416 has 24 divisors (see below), whose sum is σ = 162214920. Its totient is φ = 41083008.

The previous prime is 82280389. The next prime is 82280423. The reversal of 82280416 is 61408228.

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 3 ways as a sum of consecutive naturals, for example, 30615 + ... + 33193.

It is an arithmetic number, because the mean of its divisors is an integer number (6758955).

Almost surely, 2^82280416 is an apocalyptic number.

It is an amenable number.

82280416 is a deficient number, since it is larger than the sum of its proper divisors (79934504).

82280416 is a wasteful number, since it uses less digits than its factorization.

82280416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3586 (or 3578 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 82280416 is about 9070.8553069708. The cubic root of 82280416 is about 434.9428136389.

The spelling of 82280416 in words is "eighty-two million, two hundred eighty thousand, four hundred sixteen".