3813420 has 48 divisors (see below), whose sum is σ = 11501280. Its totient is φ = 938496.

The previous prime is 3813419. The next prime is 3813421. The reversal of 3813420 is 243183.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3813419) and next prime (3813421).

It is not an unprimeable number, because it can be changed into a prime (3813421) 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, 1665 + ... + 3224.

It is an arithmetic number, because the mean of its divisors is an integer number (239610).

Almost surely, 2^3813420 is an apocalyptic number.

3813420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3813420 is an abundant number, since it is smaller than the sum of its proper divisors (7687860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3813420 is a wasteful number, since it uses less digits than its factorization.

3813420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4914 (or 4912 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 3813420 is about 1952.7979926249. The cubic root of 3813420 is about 156.2325591200.

The spelling of 3813420 in words is "three million, eight hundred thirteen thousand, four hundred twenty".