82470384 has 30 divisors (see below), whose sum is σ = 230802936. Its totient is φ = 27490080.

The previous prime is 82470359. The next prime is 82470389. The reversal of 82470384 is 48307428.

It is a super-3 number, since 3×82470384³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82470389) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 286212 + ... + 286499.

Almost surely, 2^82470384 is an apocalyptic number.

It is an amenable number.

82470384 is an abundant number, since it is smaller than the sum of its proper divisors (148332552).

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

82470384 is a wasteful number, since it uses less digits than its factorization.

82470384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572725 (or 572716 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 82470384 is about 9081.3206088102. The cubic root of 82470384 is about 435.2772865461.

The spelling of 82470384 in words is "eighty-two million, four hundred seventy thousand, three hundred eighty-four".