3428393 has 4 divisors (see below), whose sum is σ = 3440388. Its totient is φ = 3416400.

The previous prime is 3428389. The next prime is 3428413. The reversal of 3428393 is 3938243.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3003289 + 425104 = 1733^2 + 652^2 .

It is a cyclic number.

It is not a de Polignac number, because 3428393 - 2² = 3428389 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3428353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5558 + ... + 6143.

It is an arithmetic number, because the mean of its divisors is an integer number (860097).

Almost surely, 2^3428393 is an apocalyptic number.

It is an amenable number.

3428393 is a deficient number, since it is larger than the sum of its proper divisors (11995).

3428393 is a wasteful number, since it uses less digits than its factorization.

3428393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11994.

The product of its digits is 15552, while the sum is 32.

The square root of 3428393 is about 1851.5920176972. The cubic root of 3428393 is about 150.7868724017.

The spelling of 3428393 in words is "three million, four hundred twenty-eight thousand, three hundred ninety-three".