380434347 has 16 divisors (see below), whose sum is σ = 596760480. Its totient is φ = 238703616.

The previous prime is 380434343. The next prime is 380434357. The reversal of 380434347 is 743434083.

It is a happy number.

It is not a de Polignac number, because 380434347 - 2² = 380434343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (380434343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 413958 + ... + 414875.

It is an arithmetic number, because the mean of its divisors is an integer number (37297530).

Almost surely, 2^380434347 is an apocalyptic number.

380434347 is a deficient number, since it is larger than the sum of its proper divisors (216326133).

380434347 is a wasteful number, since it uses less digits than its factorization.

380434347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828859 (or 828853 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 36.

The square root of 380434347 is about 19504.7262733933. The cubic root of 380434347 is about 724.5915079732.

The spelling of 380434347 in words is "three hundred eighty million, four hundred thirty-four thousand, three hundred forty-seven".