3220394 has 8 divisors (see below), whose sum is σ = 4839588. Its totient is φ = 1607200.

The previous prime is 3220381. The next prime is 3220409. The reversal of 3220394 is 4930223.

It can be written as a sum of positive squares in 2 ways, for example, as 3108169 + 112225 = 1763^2 + 335^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254 + ... + 2550.

Almost surely, 2^3220394 is an apocalyptic number.

3220394 is a deficient number, since it is larger than the sum of its proper divisors (1619194).

3220394 is a wasteful number, since it uses less digits than its factorization.

3220394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3000.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 3220394 is about 1794.5456249424. The cubic root of 3220394 is about 147.6736478301.

The spelling of 3220394 in words is "three million, two hundred twenty thousand, three hundred ninety-four".