3809942874 has 48 divisors (see below), whose sum is σ = 8345092392. Its totient is φ = 1256169984.

The previous prime is 3809942861. The next prime is 3809942881. The reversal of 3809942874 is 4782499083.

It can be written as a sum of positive squares in 4 ways, for example, as 3787787025 + 22155849 = 61545^2 + 4707^2 .

It is a super-3 number, since 3×3809942874³ (a number of 30 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3809942874.

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 23 ways as a sum of consecutive naturals, for example, 719902 + ... + 725174.

Almost surely, 2^3809942874 is an apocalyptic number.

3809942874 is an abundant number, since it is smaller than the sum of its proper divisors (4535149518).

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

3809942874 is a wasteful number, since it uses less digits than its factorization.

3809942874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5711 (or 5708 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The square root of 3809942874 is about 61724.7347017385. The cubic root of 3809942874 is about 1561.8505971975.

The spelling of 3809942874 in words is "three billion, eight hundred nine million, nine hundred forty-two thousand, eight hundred seventy-four".