3818740 has 24 divisors (see below), whose sum is σ = 8216712. Its totient is φ = 1489920.

The previous prime is 3818729. The next prime is 3818741. The reversal of 3818740 is 478183.

It is a happy number.

3818740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 116964 + 3701776 = 342^2 + 1924^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3818741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1509 + ... + 3148.

It is an arithmetic number, because the mean of its divisors is an integer number (342363).

Almost surely, 2^3818740 is an apocalyptic number.

It is an amenable number.

3818740 is an abundant number, since it is smaller than the sum of its proper divisors (4397972).

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

3818740 is a wasteful number, since it uses less digits than its factorization.

3818740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4707 (or 4705 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 3818740 is about 1954.1596659434. The cubic root of 3818740 is about 156.3051773127.

The spelling of 3818740 in words is "three million, eight hundred eighteen thousand, seven hundred forty".