3678239 has 8 divisors (see below), whose sum is σ = 3959568. Its totient is φ = 3404160.

The previous prime is 3678223. The next prime is 3678247. The reversal of 3678239 is 9328763.

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 3678239 - 2⁴ = 3678223 is a prime.

It is a super-2 number, since 2×3678239² = 27058884282242, 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 (3678289) 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, 737 + ... + 2810.

It is an arithmetic number, because the mean of its divisors is an integer number (494946).

Almost surely, 2^3678239 is an apocalyptic number.

3678239 is a deficient number, since it is larger than the sum of its proper divisors (281329).

3678239 is a wasteful number, since it uses less digits than its factorization.

3678239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3625.

The product of its digits is 54432, while the sum is 38.

The square root of 3678239 is about 1917.8735620473. The cubic root of 3678239 is about 154.3642219578.

The spelling of 3678239 in words is "three million, six hundred seventy-eight thousand, two hundred thirty-nine".