82249384 has 16 divisors (see below), whose sum is σ = 176248800. Its totient is φ = 35249712.

The previous prime is 82249379. The next prime is 82249393. The reversal of 82249384 is 48394228.

It is a super-2 number, since 2×82249384² = 13529922336758912, which contains 22 as substring.

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, 734314 + ... + 734425.

It is an arithmetic number, because the mean of its divisors is an integer number (11015550).

Almost surely, 2^82249384 is an apocalyptic number.

It is an amenable number.

82249384 is an abundant number, since it is smaller than the sum of its proper divisors (93999416).

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

82249384 is a wasteful number, since it uses less digits than its factorization.

82249384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468752 (or 1468748 counting only the distinct ones).

The product of its digits is 110592, while the sum is 40.

The square root of 82249384 is about 9069.1446123656. The cubic root of 82249384 is about 434.8881273064. Note that the first 3 decimals are identical.

The spelling of 82249384 in words is "eighty-two million, two hundred forty-nine thousand, three hundred eighty-four".