3894091 has 8 divisors (see below), whose sum is σ = 4115520. Its totient is φ = 3678528.

The previous prime is 3894083. The next prime is 3894101. The reversal of 3894091 is 1904983.

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 3894091 - 2³ = 3894083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3894001) 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, 66 + ... + 2791.

It is an arithmetic number, because the mean of its divisors is an integer number (514440).

Almost surely, 2^3894091 is an apocalyptic number.

3894091 is a deficient number, since it is larger than the sum of its proper divisors (221429).

3894091 is a wasteful number, since it uses less digits than its factorization.

3894091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2933.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 3894091 is about 1973.3451294692. The cubic root of 3894091 is about 157.3265546770.

The spelling of 3894091 in words is "three million, eight hundred ninety-four thousand, ninety-one".