380749671 has 24 divisors (see below), whose sum is σ = 572763360. Its totient is φ = 243432000.

The previous prime is 380749639. The next prime is 380749693. The reversal of 380749671 is 176947083.

It is not a de Polignac number, because 380749671 - 2⁵ = 380749639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380749871) 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 23 ways as a sum of consecutive naturals, for example, 34581 + ... + 44241.

It is an arithmetic number, because the mean of its divisors is an integer number (23865140).

Almost surely, 2^380749671 is an apocalyptic number.

380749671 is a deficient number, since it is larger than the sum of its proper divisors (192013689).

380749671 is a wasteful number, since it uses less digits than its factorization.

380749671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9847 (or 9844 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 380749671 is about 19512.8078707294. The cubic root of 380749671 is about 724.7916458750.

The spelling of 380749671 in words is "three hundred eighty million, seven hundred forty-nine thousand, six hundred seventy-one".