82347838 has 16 divisors (see below), whose sum is σ = 126846720. Its totient is φ = 40072536.

The previous prime is 82347833. The next prime is 82347877. The reversal of 82347838 is 83874328.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a junction number, because it is equal to n+sod(n) for n = 82347794 and 82347803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82347833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24843 + ... + 27961.

It is an arithmetic number, because the mean of its divisors is an integer number (7927920).

Almost surely, 2^82347838 is an apocalyptic number.

82347838 is a deficient number, since it is larger than the sum of its proper divisors (44498882).

82347838 is a wasteful number, since it uses less digits than its factorization.

82347838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3471.

The product of its digits is 258048, while the sum is 43.

The square root of 82347838 is about 9074.5709540452. The cubic root of 82347838 is about 435.0615810999.

The spelling of 82347838 in words is "eighty-two million, three hundred forty-seven thousand, eight hundred thirty-eight".