381266348 has 12 divisors (see below), whose sum is σ = 678154512. Its totient is φ = 187507920.

The previous prime is 381266341. The next prime is 381266351. The reversal of 381266348 is 843662183.

It is a happy number.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (381266341) 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, 781040 + ... + 781527.

It is an arithmetic number, because the mean of its divisors is an integer number (56512876).

Almost surely, 2^381266348 is an apocalyptic number.

It is an amenable number.

381266348 is a deficient number, since it is larger than the sum of its proper divisors (296888164).

381266348 is a wasteful number, since it uses less digits than its factorization.

381266348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1562632 (or 1562630 counting only the distinct ones).

The product of its digits is 165888, while the sum is 41.

The square root of 381266348 is about 19526.0428146617. The cubic root of 381266348 is about 725.1193449191.

The spelling of 381266348 in words is "three hundred eighty-one million, two hundred sixty-six thousand, three hundred forty-eight".