3854687 has 4 divisors (see below), whose sum is σ = 3871896. Its totient is φ = 3837480.

The previous prime is 3854681. The next prime is 3854693. The reversal of 3854687 is 7864583.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7864583 = 251 ⋅31333.

It is an interprime number because it is at equal distance from previous prime (3854681) and next prime (3854693).

It is a cyclic number.

It is not a de Polignac number, because 3854687 - 2⁴ = 3854671 is a prime.

It is a super-2 number, since 2×3854687² = 29717223735938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3854681) 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, 8264 + ... + 8717.

It is an arithmetic number, because the mean of its divisors is an integer number (967974).

Almost surely, 2^3854687 is an apocalyptic number.

3854687 is a deficient number, since it is larger than the sum of its proper divisors (17209).

3854687 is a wasteful number, since it uses less digits than its factorization.

3854687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17208.

The product of its digits is 161280, while the sum is 41.

The square root of 3854687 is about 1963.3356819454. The cubic root of 3854687 is about 156.7940963130.

The spelling of 3854687 in words is "three million, eight hundred fifty-four thousand, six hundred eighty-seven".