381534382 has 16 divisors (see below), whose sum is σ = 601747200. Its totient is φ = 181167840.

The previous prime is 381534359. The next prime is 381534401. The reversal of 381534382 is 283435183.

It is a congruent number.

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, 50382 + ... + 57457.

It is an arithmetic number, because the mean of its divisors is an integer number (37609200).

Almost surely, 2^381534382 is an apocalyptic number.

381534382 is a deficient number, since it is larger than the sum of its proper divisors (220212818).

381534382 is a wasteful number, since it uses less digits than its factorization.

381534382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107931.

The product of its digits is 69120, while the sum is 37.

The square root of 381534382 is about 19532.9051090717. The cubic root of 381534382 is about 725.2892271309.

The spelling of 381534382 in words is "three hundred eighty-one million, five hundred thirty-four thousand, three hundred eighty-two".