381464446 has 8 divisors (see below), whose sum is σ = 624214584. Its totient is φ = 173392920.

The previous prime is 381464443. The next prime is 381464449. The reversal of 381464446 is 644464183.

It is an interprime number because it is at equal distance from previous prime (381464443) and next prime (381464449).

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 = 381464399 and 381464408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381464443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8669625 + ... + 8669668.

It is an arithmetic number, because the mean of its divisors is an integer number (78026823).

Almost surely, 2^381464446 is an apocalyptic number.

381464446 is a deficient number, since it is larger than the sum of its proper divisors (242750138).

381464446 is a wasteful number, since it uses less digits than its factorization.

381464446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17339306.

The product of its digits is 221184, while the sum is 40.

The square root of 381464446 is about 19531.1148171322. The cubic root of 381464446 is about 725.2449087773.

The spelling of 381464446 in words is "three hundred eighty-one million, four hundred sixty-four thousand, four hundred forty-six".