3813398340 has 48 divisors (see below), whose sum is σ = 10966103232. Its totient is φ = 989421696.

The previous prime is 3813398339. The next prime is 3813398357. The reversal of 3813398340 is 438933183.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3813398292 and 3813398301.

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 15 ways as a sum of consecutive naturals, for example, 856654 + ... + 861093.

It is an arithmetic number, because the mean of its divisors is an integer number (228460484).

Almost surely, 2^3813398340 is an apocalyptic number.

3813398340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3813398340 is an abundant number, since it is smaller than the sum of its proper divisors (7152704892).

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

3813398340 is a wasteful number, since it uses less digits than its factorization.

3813398340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717796 (or 1717794 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 3813398340 is about 61752.7192923518. The cubic root of 3813398340 is about 1562.3226332217.

The spelling of 3813398340 in words is "three billion, eight hundred thirteen million, three hundred ninety-eight thousand, three hundred forty".