380647893 has 4 divisors (see below), whose sum is σ = 507530528. Its totient is φ = 253765260.

The previous prime is 380647873. The next prime is 380647973. The reversal of 380647893 is 398746083.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 380647893 - 2²² = 376453589 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 (380647873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63441313 + ... + 63441318.

It is an arithmetic number, because the mean of its divisors is an integer number (126882632).

Almost surely, 2^380647893 is an apocalyptic number.

It is an amenable number.

380647893 is a deficient number, since it is larger than the sum of its proper divisors (126882635).

380647893 is a wasteful number, since it uses less digits than its factorization.

380647893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126882634.

The product of its (nonzero) digits is 870912, while the sum is 48.

The square root of 380647893 is about 19510.1997170711. The cubic root of 380647893 is about 724.7270588916.

The spelling of 380647893 in words is "three hundred eighty million, six hundred forty-seven thousand, eight hundred ninety-three".