3869867 has 8 divisors (see below), whose sum is σ = 4072992. Its totient is φ = 3672000.

The previous prime is 3869861. The next prime is 3869881. The reversal of 3869867 is 7689683.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3869867 - 2⁸ = 3869611 is a prime.

It is a d-powerful number, because it can be written as 3¹³ + 8³ + 6⁶ + 9⁶ + 8³ + 6⁸ + 7⁵ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3869861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242 + ... + 2792.

It is an arithmetic number, because the mean of its divisors is an integer number (509124).

Almost surely, 2^3869867 is an apocalyptic number.

3869867 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

3869867 is a deficient number, since it is larger than the sum of its proper divisors (203125).

3869867 is a wasteful number, since it uses less digits than its factorization.

3869867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2629.

The product of its digits is 435456, while the sum is 47.

The square root of 3869867 is about 1967.1977531504. The cubic root of 3869867 is about 156.9996483960. Note that the first 3 decimals are identical.

The spelling of 3869867 in words is "three million, eight hundred sixty-nine thousand, eight hundred sixty-seven".