682143838 has 4 divisors (see below), whose sum is σ = 1023215760. Its totient is φ = 341071918.

The previous prime is 682143827. The next prime is 682143851. The reversal of 682143838 is 838341286.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 682143794 and 682143803.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 170535958 + ... + 170535961.

It is an arithmetic number, because the mean of its divisors is an integer number (255803940).

Almost surely, 2^682143838 is an apocalyptic number.

682143838 is a deficient number, since it is larger than the sum of its proper divisors (341071922).

682143838 is a wasteful number, since it uses less digits than its factorization.

682143838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341071921.

The product of its digits is 221184, while the sum is 43.

The square root of 682143838 is about 26117.8834900533. The cubic root of 682143838 is about 880.2890914862.

The spelling of 682143838 in words is "six hundred eighty-two million, one hundred forty-three thousand, eight hundred thirty-eight".