3868387 has 4 divisors (see below), whose sum is σ = 3972976. Its totient is φ = 3763800.

The previous prime is 3868357. The next prime is 3868399. The reversal of 3868387 is 7838683.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3868387 - 2⁷ = 3868259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3868357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52239 + ... + 52312.

It is an arithmetic number, because the mean of its divisors is an integer number (993244).

Almost surely, 2^3868387 is an apocalyptic number.

3868387 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

3868387 is a deficient number, since it is larger than the sum of its proper divisors (104589).

3868387 is a wasteful number, since it uses less digits than its factorization.

3868387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104588.

The product of its digits is 193536, while the sum is 43.

The square root of 3868387 is about 1966.8215475736. The cubic root of 3868387 is about 156.9796314198.

The spelling of 3868387 in words is "three million, eight hundred sixty-eight thousand, three hundred eighty-seven".