3894249 has 8 divisors (see below), whose sum is σ = 5216512. Its totient is φ = 2584080.

The previous prime is 3894239. The next prime is 3894269. The reversal of 3894249 is 9424983.

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

It is not a de Polignac number, because 3894249 - 2⁵ = 3894217 is a prime.

It is a Duffinian number.

3894249 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3894229) 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, 2242 + ... + 3579.

It is an arithmetic number, because the mean of its divisors is an integer number (652064).

Almost surely, 2^3894249 is an apocalyptic number.

It is an amenable number.

3894249 is a deficient number, since it is larger than the sum of its proper divisors (1322263).

3894249 is a wasteful number, since it uses less digits than its factorization.

3894249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6047.

The product of its digits is 62208, while the sum is 39.

The square root of 3894249 is about 1973.3851626076. The cubic root of 3894249 is about 157.3286824529.

The spelling of 3894249 in words is "three million, eight hundred ninety-four thousand, two hundred forty-nine".