3868408 has 8 divisors (see below), whose sum is σ = 7253280. Its totient is φ = 1934200.

The previous prime is 3868399. The next prime is 3868427. The reversal of 3868408 is 8048683.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 241768 + ... + 241783.

It is an arithmetic number, because the mean of its divisors is an integer number (906660).

Almost surely, 2^3868408 is an apocalyptic number.

It is an amenable number.

3868408 is a deficient number, since it is larger than the sum of its proper divisors (3384872).

3868408 is a wasteful number, since it uses less digits than its factorization.

3868408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483557 (or 483553 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 3868408 is about 1966.8268861290. The cubic root of 3868408 is about 156.9799154802.

Subtracting from 3868408 its sum of digits (37), we obtain a triangular number (3868371 = T₂₇₈₁).

The spelling of 3868408 in words is "three million, eight hundred sixty-eight thousand, four hundred eight".