380691671 has 8 divisors (see below), whose sum is σ = 396656400. Its totient is φ = 364916160.

The previous prime is 380691629. The next prime is 380691673. The reversal of 380691671 is 176196083.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-380691671 is a prime.

It is a super-2 number, since 2×380691671² = 289852296737544482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380691673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43190 + ... + 51251.

It is an arithmetic number, because the mean of its divisors is an integer number (49582050).

Almost surely, 2^380691671 is an apocalyptic number.

380691671 is a deficient number, since it is larger than the sum of its proper divisors (15964729).

380691671 is a wasteful number, since it uses less digits than its factorization.

380691671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94609.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 380691671 is about 19511.3216107982. The cubic root of 380691671 is about 724.7548412468.

The spelling of 380691671 in words is "three hundred eighty million, six hundred ninety-one thousand, six hundred seventy-one".