382720834 has 16 divisors (see below), whose sum is σ = 579373056. Its totient is φ = 189604800.

The previous prime is 382720831. The next prime is 382720843. The reversal of 382720834 is 438027283.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 382720793 and 382720802.

It is not an unprimeable number, because it can be changed into a prime (382720831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101674 + ... + 105370.

It is an arithmetic number, because the mean of its divisors is an integer number (36210816).

Almost surely, 2^382720834 is an apocalyptic number.

382720834 is a deficient number, since it is larger than the sum of its proper divisors (196652222).

382720834 is a wasteful number, since it uses less digits than its factorization.

382720834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4161.

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 382720834 is about 19563.2521325060. The cubic root of 382720834 is about 726.0402563516.

The spelling of 382720834 in words is "three hundred eighty-two million, seven hundred twenty thousand, eight hundred thirty-four".