381719516 has 12 divisors (see below), whose sum is σ = 668742480. Its totient is φ = 190650240.

The previous prime is 381719497. The next prime is 381719551. The reversal of 381719516 is 615917183.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48245 + ... + 55596.

It is an arithmetic number, because the mean of its divisors is an integer number (55728540).

Almost surely, 2^381719516 is an apocalyptic number.

It is an amenable number.

381719516 is a deficient number, since it is larger than the sum of its proper divisors (287022964).

381719516 is a wasteful number, since it uses less digits than its factorization.

381719516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104764 (or 104762 counting only the distinct ones).

The product of its digits is 45360, while the sum is 41.

The square root of 381719516 is about 19537.6435631322. The cubic root of 381719516 is about 725.4065201714.

The spelling of 381719516 in words is "three hundred eighty-one million, seven hundred nineteen thousand, five hundred sixteen".