380647916 has 24 divisors (see below), whose sum is σ = 731581200. Its totient is φ = 171857600.

The previous prime is 380647873. The next prime is 380647973. The reversal of 380647916 is 619746083.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22475 + ... + 35586.

It is an arithmetic number, because the mean of its divisors is an integer number (30482550).

Almost surely, 2^380647916 is an apocalyptic number.

It is an amenable number.

380647916 is a deficient number, since it is larger than the sum of its proper divisors (350933284).

380647916 is a wasteful number, since it uses less digits than its factorization.

380647916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58225 (or 58223 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 380647916 is about 19510.2003065063. The cubic root of 380647916 is about 724.7270734884.

The spelling of 380647916 in words is "three hundred eighty million, six hundred forty-seven thousand, nine hundred sixteen".