3894245 has 8 divisors (see below), whose sum is σ = 4876416. Its totient is φ = 2979856.

The previous prime is 3894239. The next prime is 3894269. The reversal of 3894245 is 5424983.

3894245 = 124² + 125² + ... + 238².

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 3894245 - 2⁴ = 3894229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16817 + ... + 17046.

It is an arithmetic number, because the mean of its divisors is an integer number (609552).

Almost surely, 2^3894245 is an apocalyptic number.

It is an amenable number.

3894245 is a deficient number, since it is larger than the sum of its proper divisors (982171).

3894245 is a wasteful number, since it uses less digits than its factorization.

3894245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33891.

The product of its digits is 34560, while the sum is 35.

The square root of 3894245 is about 1973.3841491205. The cubic root of 3894245 is about 157.3286285859.

The spelling of 3894245 in words is "three million, eight hundred ninety-four thousand, two hundred forty-five".