381027404 has 12 divisors (see below), whose sum is σ = 689791200. Its totient is φ = 183944208.

The previous prime is 381027403. The next prime is 381027421. The reversal of 381027404 is 404720183.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (381027403) 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, 1642244 + ... + 1642475.

It is an arithmetic number, because the mean of its divisors is an integer number (57482600).

Almost surely, 2^381027404 is an apocalyptic number.

It is an amenable number.

381027404 is a deficient number, since it is larger than the sum of its proper divisors (308763796).

381027404 is a wasteful number, since it uses less digits than its factorization.

381027404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3284752 (or 3284750 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 381027404 is about 19519.9232580459. The cubic root of 381027404 is about 724.9678330556.

Adding to 381027404 its reverse (404720183), we get a palindrome (785747587).

The spelling of 381027404 in words is "three hundred eighty-one million, twenty-seven thousand, four hundred four".