381343434 has 8 divisors (see below), whose sum is σ = 762686880. Its totient is φ = 127114476.

The previous prime is 381343421. The next prime is 381343441. The reversal of 381343434 is 434343183.

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

381343434 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 381343395 and 381343404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31778614 + ... + 31778625.

It is an arithmetic number, because the mean of its divisors is an integer number (95335860).

Almost surely, 2^381343434 is an apocalyptic number.

381343434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

381343434 is a wasteful number, since it uses less digits than its factorization.

381343434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63557244.

The product of its digits is 41472, while the sum is 33.

The square root of 381343434 is about 19528.0166427623. The cubic root of 381343434 is about 725.1682108308.

The spelling of 381343434 in words is "three hundred eighty-one million, three hundred forty-three thousand, four hundred thirty-four".