82319412 has 36 divisors (see below), whose sum is σ = 223440000. Its totient is φ = 23519664.

The previous prime is 82319411. The next prime is 82319437. The reversal of 82319412 is 21491328.

It is a self number, because there is not a number n which added to its sum of digits gives 82319412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82319411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69412 + ... + 70587.

Almost surely, 2^82319412 is an apocalyptic number.

It is an amenable number.

82319412 is an abundant number, since it is smaller than the sum of its proper divisors (141120588).

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

82319412 is a wasteful number, since it uses less digits than its factorization.

82319412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140020 (or 140011 counting only the distinct ones).

The product of its digits is 3456, while the sum is 30.

The square root of 82319412 is about 9073.0045740096. The cubic root of 82319412 is about 435.0115150869.

The spelling of 82319412 in words is "eighty-two million, three hundred nineteen thousand, four hundred twelve".