82981364 has 6 divisors (see below), whose sum is σ = 145217394. Its totient is φ = 41490680.

The previous prime is 82981351. The next prime is 82981387. The reversal of 82981364 is 46318928.

It can be written as a sum of positive squares in only one way, i.e., 79210000 + 3771364 = 8900^2 + 1942^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10372667 + ... + 10372674.

It is an arithmetic number, because the mean of its divisors is an integer number (24202899).

Almost surely, 2^82981364 is an apocalyptic number.

It is an amenable number.

82981364 is a deficient number, since it is larger than the sum of its proper divisors (62236030).

82981364 is a wasteful number, since it uses less digits than its factorization.

82981364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20745345 (or 20745343 counting only the distinct ones).

The product of its digits is 82944, while the sum is 41.

The square root of 82981364 is about 9109.4107383519. The cubic root of 82981364 is about 436.1744174933.

The spelling of 82981364 in words is "eighty-two million, nine hundred eighty-one thousand, three hundred sixty-four".