381043412 has 12 divisors (see below), whose sum is σ = 689820180. Its totient is φ = 183951936.

The previous prime is 381043373. The next prime is 381043471. The reversal of 381043412 is 214340183.

381043412 is nontrivially palindromic in base 3.

It can be written as a sum of positive squares in 2 ways, for example, as 271129156 + 109914256 = 16466^2 + 10484^2 .

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, 1642313 + ... + 1642544.

It is an arithmetic number, because the mean of its divisors is an integer number (57485015).

Almost surely, 2^381043412 is an apocalyptic number.

It is an amenable number.

381043412 is a deficient number, since it is larger than the sum of its proper divisors (308776768).

381043412 is a wasteful number, since it uses less digits than its factorization.

381043412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3284890 (or 3284888 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 381043412 is about 19520.3332963349. Note that the first 3 decimals coincide. The cubic root of 381043412 is about 724.9779855384.

Adding to 381043412 its reverse (214340183), we get a palindrome (595383595).

The spelling of 381043412 in words is "three hundred eighty-one million, forty-three thousand, four hundred twelve".