3402443 has 4 divisors (see below), whose sum is σ = 3711768. Its totient is φ = 3093120.

The previous prime is 3402439. The next prime is 3402473. The reversal of 3402443 is 3442043.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3402443 - 2² = 3402439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3402403) 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, 154646 + ... + 154667.

It is an arithmetic number, because the mean of its divisors is an integer number (927942).

Almost surely, 2^3402443 is an apocalyptic number.

3402443 is a deficient number, since it is larger than the sum of its proper divisors (309325).

3402443 is a wasteful number, since it uses less digits than its factorization.

3402443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309324.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 3402443 is about 1844.5712238892. The cubic root of 3402443 is about 150.4054659578.

Adding to 3402443 its reverse (3442043), we get a palindrome (6844486).

The spelling of 3402443 in words is "three million, four hundred two thousand, four hundred forty-three".