3881368 has 8 divisors (see below), whose sum is σ = 7277580. Its totient is φ = 1940680.

The previous prime is 3881363. The next prime is 3881387. The reversal of 3881368 is 8631883.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3881363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242578 + ... + 242593.

Almost surely, 2^3881368 is an apocalyptic number.

It is an amenable number.

3881368 is a deficient number, since it is larger than the sum of its proper divisors (3396212).

3881368 is a wasteful number, since it uses less digits than its factorization.

3881368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485177 (or 485173 counting only the distinct ones).

The product of its digits is 27648, while the sum is 37.

The square root of 3881368 is about 1970.1187781451. The cubic root of 3881368 is about 157.1550255827.

It can be divided in two parts, 38 and 81368, that added together give a triangular number (81406 = T₄₀₃).

The spelling of 3881368 in words is "three million, eight hundred eighty-one thousand, three hundred sixty-eight".