3894321 has 8 divisors (see below), whose sum is σ = 5213664. Its totient is φ = 2585600.

The previous prime is 3894307. The next prime is 3894329. The reversal of 3894321 is 1234983.

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 3894321 - 2⁷ = 3894193 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (3894329) 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, 1755 + ... + 3296.

It is an arithmetic number, because the mean of its divisors is an integer number (651708).

Almost surely, 2^3894321 is an apocalyptic number.

It is an amenable number.

3894321 is a deficient number, since it is larger than the sum of its proper divisors (1319343).

3894321 is a wasteful number, since it uses less digits than its factorization.

3894321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5311.

The product of its digits is 5184, while the sum is 30.

The square root of 3894321 is about 1973.4034052874. The cubic root of 3894321 is about 157.3296520533.

The spelling of 3894321 in words is "three million, eight hundred ninety-four thousand, three hundred twenty-one".