82450638 has 24 divisors (see below), whose sum is σ = 184406976. Its totient is φ = 26596800.

The previous prime is 82450619. The next prime is 82450639. The reversal of 82450638 is 83605428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82450639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73323 + ... + 74438.

It is an arithmetic number, because the mean of its divisors is an integer number (7683624).

Almost surely, 2^82450638 is an apocalyptic number.

82450638 is an abundant number, since it is smaller than the sum of its proper divisors (101956338).

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

82450638 is a wasteful number, since it uses less digits than its factorization.

82450638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147800 (or 147797 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 82450638 is about 9080.2333670451. The cubic root of 82450638 is about 435.2425440889.

The spelling of 82450638 in words is "eighty-two million, four hundred fifty thousand, six hundred thirty-eight".