382720835 has 16 divisors (see below), whose sum is σ = 526378176. Its totient is φ = 261685248.

The previous prime is 382720831. The next prime is 382720843. The reversal of 382720835 is 538027283.

It is a cyclic number.

It is not a de Polignac number, because 382720835 - 2² = 382720831 is a prime.

It is a Duffinian number.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3134 + ... + 27843.

It is an arithmetic number, because the mean of its divisors is an integer number (32898636).

Almost surely, 2^382720835 is an apocalyptic number.

382720835 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

382720835 is a deficient number, since it is larger than the sum of its proper divisors (143657341).

382720835 is a wasteful number, since it uses less digits than its factorization.

382720835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31342.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 382720835 is about 19563.2521580641. The cubic root of 382720835 is about 726.0402569839.

The spelling of 382720835 in words is "three hundred eighty-two million, seven hundred twenty thousand, eight hundred thirty-five".