381966246 has 32 divisors (see below), whose sum is σ = 856759680. Its totient is φ = 126130248.

The previous prime is 381966239. The next prime is 381966259. The reversal of 381966246 is 642669183.

381966246 is a `hidden beast` number, since 3 + 8 + 19 + 6 + 624 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27276 + ... + 38831.

It is an arithmetic number, because the mean of its divisors is an integer number (26773740).

Almost surely, 2^381966246 is an apocalyptic number.

381966246 is an abundant number, since it is smaller than the sum of its proper divisors (474793434).

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

381966246 is a wasteful number, since it uses less digits than its factorization.

381966246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66225 (or 66219 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 381966246 is about 19543.9567641765. The cubic root of 381966246 is about 725.5627788858.

The spelling of 381966246 in words is "three hundred eighty-one million, nine hundred sixty-six thousand, two hundred forty-six".