3453404 has 12 divisors (see below), whose sum is σ = 6306384. Its totient is φ = 1651584.

The previous prime is 3453403. The next prime is 3453409. The reversal of 3453404 is 4043543.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 3453404.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18677 + ... + 18860.

It is an arithmetic number, because the mean of its divisors is an integer number (525532).

Almost surely, 2^3453404 is an apocalyptic number.

It is an amenable number.

3453404 is a deficient number, since it is larger than the sum of its proper divisors (2852980).

3453404 is a wasteful number, since it uses less digits than its factorization.

3453404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37564 (or 37562 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 3453404 is about 1858.3336621823. Note that the first 3 decimals coincide. The cubic root of 3453404 is about 151.1526605437.

Adding to 3453404 its reverse (4043543), we get a palindrome (7496947).

The spelling of 3453404 in words is "three million, four hundred fifty-three thousand, four hundred four".