3813445 has 8 divisors (see below), whose sum is σ = 4604544. Its totient is φ = 3031824.

The previous prime is 3813427. The next prime is 3813461. The reversal of 3813445 is 5443183.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3813445 - 2⁷ = 3813317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1449 + ... + 3118.

It is an arithmetic number, because the mean of its divisors is an integer number (575568).

Almost surely, 2^3813445 is an apocalyptic number.

It is an amenable number.

3813445 is a deficient number, since it is larger than the sum of its proper divisors (791099).

3813445 is a wasteful number, since it uses less digits than its factorization.

3813445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4739.

The product of its digits is 5760, while the sum is 28.

The square root of 3813445 is about 1952.8043936862. The cubic root of 3813445 is about 156.2329005288.

The spelling of 3813445 in words is "three million, eight hundred thirteen thousand, four hundred forty-five".