3813478376 has 32 divisors (see below), whose sum is σ = 7191801000. Its totient is φ = 1895690496.

The previous prime is 3813478367. The next prime is 3813478397. The reversal of 3813478376 is 6738743183.

It can be written as a sum of positive squares in 4 ways, for example, as 3241024900 + 572453476 = 56930^2 + 23926^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2030750 + ... + 2032626.

Almost surely, 2^3813478376 is an apocalyptic number.

It is an amenable number.

3813478376 is a deficient number, since it is larger than the sum of its proper divisors (3378322624).

3813478376 is a wasteful number, since it uses less digits than its factorization.

3813478376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3221 (or 3217 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 50.

The square root of 3813478376 is about 61753.3673251913. The cubic root of 3813478376 is about 1562.3335632084. Note that the first 3 decimals are identical.

The spelling of 3813478376 in words is "three billion, eight hundred thirteen million, four hundred seventy-eight thousand, three hundred seventy-six".