381969008 has 20 divisors (see below), whose sum is σ = 779016360. Its totient is φ = 180932544.

The previous prime is 381968969. The next prime is 381969017. The reversal of 381969008 is 800969183.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 381969008.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 627935 + ... + 628542.

It is an arithmetic number, because the mean of its divisors is an integer number (38950818).

Almost surely, 2^381969008 is an apocalyptic number.

381969008 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

381969008 is an abundant number, since it is smaller than the sum of its proper divisors (397047352).

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

381969008 is a wasteful number, since it uses less digits than its factorization.

381969008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256504 (or 1256498 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 381969008 is about 19544.0274252775. The cubic root of 381969008 is about 725.5645277311.

It can be divided in two parts, 3819 and 69008, that added together give a palindrome (72827).

The spelling of 381969008 in words is "three hundred eighty-one million, nine hundred sixty-nine thousand, eight".