3680839 has 4 divisors (see below), whose sum is σ = 3696480. Its totient is φ = 3665200.

The previous prime is 3680837. The next prime is 3680863. The reversal of 3680839 is 9380863.

It is a happy number.

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 3680839 - 2¹ = 3680837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3680798 and 3680807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3680837) 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, 7462 + ... + 7939.

It is an arithmetic number, because the mean of its divisors is an integer number (924120).

Almost surely, 2^3680839 is an apocalyptic number.

3680839 is a deficient number, since it is larger than the sum of its proper divisors (15641).

3680839 is a wasteful number, since it uses less digits than its factorization.

3680839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15640.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 3680839 is about 1918.5512763541. The cubic root of 3680839 is about 154.4005846891.

The spelling of 3680839 in words is "three million, six hundred eighty thousand, eight hundred thirty-nine".