82819438 has 8 divisors (see below), whose sum is σ = 133785288. Its totient is φ = 38224344.

The previous prime is 82819417. The next prime is 82819439. The reversal of 82819438 is 83491828.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 82819394 and 82819403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82819439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1592656 + ... + 1592707.

It is an arithmetic number, because the mean of its divisors is an integer number (16723161).

Almost surely, 2^82819438 is an apocalyptic number.

82819438 is a deficient number, since it is larger than the sum of its proper divisors (50965850).

82819438 is a wasteful number, since it uses less digits than its factorization.

82819438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3185378.

The product of its digits is 110592, while the sum is 43.

The square root of 82819438 is about 9100.5185566538. The cubic root of 82819438 is about 435.8905225509.

The spelling of 82819438 in words is "eighty-two million, eight hundred nineteen thousand, four hundred thirty-eight".