381846246 has 16 divisors (see below), whose sum is σ = 765461424. Its totient is φ = 126987264.

The previous prime is 381846239. The next prime is 381846259. The reversal of 381846246 is 642648183.

It is a junction number, because it is equal to n+sod(n) for n = 381846198 and 381846207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70891 + ... + 76086.

It is an arithmetic number, because the mean of its divisors is an integer number (47841339).

Almost surely, 2^381846246 is an apocalyptic number.

381846246 is an abundant number, since it is smaller than the sum of its proper divisors (383615178).

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

381846246 is a wasteful number, since it uses less digits than its factorization.

381846246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147415.

The product of its digits is 221184, while the sum is 42.

The square root of 381846246 is about 19540.8865203194. The cubic root of 381846246 is about 725.4867890536.

The spelling of 381846246 in words is "three hundred eighty-one million, eight hundred forty-six thousand, two hundred forty-six".