8181334 has 24 divisors (see below), whose sum is σ = 14741568. Its totient is φ = 3391920.

The previous prime is 8181317. The next prime is 8181347. The reversal of 8181334 is 4331818.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1692 + ... + 4384.

It is an arithmetic number, because the mean of its divisors is an integer number (614232).

Almost surely, 2^8181334 is an apocalyptic number.

8181334 is a deficient number, since it is larger than the sum of its proper divisors (6560234).

8181334 is a wasteful number, since it uses less digits than its factorization.

8181334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2740 (or 2733 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 8181334 is about 2860.3031307888. The cubic root of 8181334 is about 201.4998409364.

It can be divided in two parts, 8181 and 334, that added together give a triangular number (8515 = T₁₃₀).

The spelling of 8181334 in words is "eight million, one hundred eighty-one thousand, three hundred thirty-four".