3453406 has 16 divisors (see below), whose sum is σ = 5725440. Its totient is φ = 1549080.

The previous prime is 3453403. The next prime is 3453409. The reversal of 3453406 is 6043543.

It is an interprime number because it is at equal distance from previous prime (3453403) and next prime (3453409).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3453403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 745 + ... + 2731.

It is an arithmetic number, because the mean of its divisors is an integer number (357840).

Almost surely, 2^3453406 is an apocalyptic number.

3453406 is a deficient number, since it is larger than the sum of its proper divisors (2272034).

3453406 is a wasteful number, since it uses less digits than its factorization.

3453406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2079.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 3453406 is about 1858.3342002988. The cubic root of 3453406 is about 151.1526897231.

Adding to 3453406 its reverse (6043543), we get a palindrome (9496949).

The spelling of 3453406 in words is "three million, four hundred fifty-three thousand, four hundred six".