380449183 has 4 divisors (see below), whose sum is σ = 381469528. Its totient is φ = 379428840.

The previous prime is 380449163. The next prime is 380449189. The reversal of 380449183 is 381944083.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-380449183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380449189) 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, 509613 + ... + 510358.

It is an arithmetic number, because the mean of its divisors is an integer number (95367382).

Almost surely, 2^380449183 is an apocalyptic number.

380449183 is a deficient number, since it is larger than the sum of its proper divisors (1020345).

380449183 is a wasteful number, since it uses less digits than its factorization.

380449183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020344.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 380449183 is about 19505.1065877631. The cubic root of 380449183 is about 724.6009269438.

The spelling of 380449183 in words is "three hundred eighty million, four hundred forty-nine thousand, one hundred eighty-three".