3684831 has 4 divisors (see below), whose sum is σ = 4913112. Its totient is φ = 2456552.

The previous prime is 3684809. The next prime is 3684833. The reversal of 3684831 is 1384863.

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 3684831 - 2¹³ = 3676639 is a prime.

It is a super-2 number, since 2×3684831² = 27155958997122, which contains 22 as substring.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 3684792 and 3684801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3684833) 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, 614136 + ... + 614141.

It is an arithmetic number, because the mean of its divisors is an integer number (1228278).

Almost surely, 2^3684831 is an apocalyptic number.

3684831 is a deficient number, since it is larger than the sum of its proper divisors (1228281).

3684831 is a wasteful number, since it uses less digits than its factorization.

3684831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228280.

The product of its digits is 13824, while the sum is 33.

The square root of 3684831 is about 1919.5913627645. The cubic root of 3684831 is about 154.4563821531.

Subtracting from 3684831 its reverse (1384863), we obtain a cube (2299968 = 132³).

The spelling of 3684831 in words is "three million, six hundred eighty-four thousand, eight hundred thirty-one".