82651384 has 16 divisors (see below), whose sum is σ = 157155120. Its totient is φ = 40743360.

The previous prime is 82651379. The next prime is 82651409. The reversal of 82651384 is 48315628.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72189 + ... + 73324.

It is an arithmetic number, because the mean of its divisors is an integer number (9822195).

Almost surely, 2^82651384 is an apocalyptic number.

It is an amenable number.

82651384 is a deficient number, since it is larger than the sum of its proper divisors (74503736).

82651384 is a wasteful number, since it uses less digits than its factorization.

82651384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145590 (or 145586 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The square root of 82651384 is about 9091.2806578611. The cubic root of 82651384 is about 435.5954921770.

The spelling of 82651384 in words is "eighty-two million, six hundred fifty-one thousand, three hundred eighty-four".