3694238 has 8 divisors (see below), whose sum is σ = 5617488. Its totient is φ = 1821744.

The previous prime is 3694217. The next prime is 3694241. The reversal of 3694238 is 8324963.

It is a happy number.

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

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3694198 and 3694207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12506 + ... + 12797.

It is an arithmetic number, because the mean of its divisors is an integer number (702186).

Almost surely, 2^3694238 is an apocalyptic number.

3694238 is a deficient number, since it is larger than the sum of its proper divisors (1923250).

3694238 is a wasteful number, since it uses less digits than its factorization.

3694238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25378.

The product of its digits is 31104, while the sum is 35.

The square root of 3694238 is about 1922.0400620174. The cubic root of 3694238 is about 154.5877076248.

The spelling of 3694238 in words is "three million, six hundred ninety-four thousand, two hundred thirty-eight".