3813447 has 16 divisors (see below), whose sum is σ = 5626368. Its totient is φ = 2278080.

The previous prime is 3813427. The next prime is 3813461. The reversal of 3813447 is 7443183.

It is not a de Polignac number, because 3813447 - 2¹⁹ = 3289159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3813427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1618 + ... + 3200.

It is an arithmetic number, because the mean of its divisors is an integer number (351648).

Almost surely, 2^3813447 is an apocalyptic number.

3813447 is a deficient number, since it is larger than the sum of its proper divisors (1812921).

3813447 is a wasteful number, since it uses less digits than its factorization.

3813447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670.

The product of its digits is 8064, while the sum is 30.

The square root of 3813447 is about 1952.8049057702. The cubic root of 3813447 is about 156.2329278414.

It can be divided in two parts, 381 and 3447, that added together give a triangular number (3828 = T₈₇).

The spelling of 3813447 in words is "three million, eight hundred thirteen thousand, four hundred forty-seven".