3403456 has 56 divisors (see below), whose sum is σ = 7900416. Its totient is φ = 1424640.

The previous prime is 3403453. The next prime is 3403457. The reversal of 3403456 is 6543043.

It is a tau number, because it is divible by the number of its divisors (56).

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 3403456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3403453) 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, 31755 + ... + 31861.

Almost surely, 2^3403456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3403456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3950208).

3403456 is an abundant number, since it is smaller than the sum of its proper divisors (4496960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3403456 is a wasteful number, since it uses less digits than its factorization.

3403456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 187 counting only the distinct ones).

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

The square root of 3403456 is about 1844.8457930136. The cubic root of 3403456 is about 150.4203910786.

Adding to 3403456 its reverse (6543043), we get a palindrome (9946499).

The spelling of 3403456 in words is "three million, four hundred three thousand, four hundred fifty-six".