380828051 has 4 divisors (see below), whose sum is σ = 381688152. Its totient is φ = 379967952.

The previous prime is 380828047. The next prime is 380828053. The reversal of 380828051 is 150828083.

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

It is a cyclic number.

It is not a de Polignac number, because 380828051 - 2² = 380828047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380828053) 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 3 ways as a sum of consecutive naturals, for example, 429386 + ... + 430271.

It is an arithmetic number, because the mean of its divisors is an integer number (95422038).

Almost surely, 2^380828051 is an apocalyptic number.

380828051 is a deficient number, since it is larger than the sum of its proper divisors (860101).

380828051 is an equidigital number, since it uses as much as digits as its factorization.

380828051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860100.

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 380828051 is about 19514.8161918067. The cubic root of 380828051 is about 724.8413769501.

The spelling of 380828051 in words is "three hundred eighty million, eight hundred twenty-eight thousand, fifty-one".