381346534 has 8 divisors (see below), whose sum is σ = 572464728. Its totient is φ = 190524960.

The previous prime is 381346529. The next prime is 381346561. The reversal of 381346534 is 435643183.

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

It is a junction number, because it is equal to n+sod(n) for n = 381346493 and 381346502.

It is a congruent number.

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, 70912 + ... + 76099.

It is an arithmetic number, because the mean of its divisors is an integer number (71558091).

Almost surely, 2^381346534 is an apocalyptic number.

381346534 is a deficient number, since it is larger than the sum of its proper divisors (191118194).

381346534 is a wasteful number, since it uses less digits than its factorization.

381346534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148310.

The product of its digits is 103680, while the sum is 37.

The square root of 381346534 is about 19528.0960157410. The cubic root of 381346534 is about 725.1701758272.

The spelling of 381346534 in words is "three hundred eighty-one million, three hundred forty-six thousand, five hundred thirty-four".