3613404 has 24 divisors (see below), whose sum is σ = 8501248. Its totient is φ = 1194480.

The previous prime is 3613397. The next prime is 3613417. The reversal of 3613404 is 4043163.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339 + ... + 2709.

Almost surely, 2^3613404 is an apocalyptic number.

It is an amenable number.

3613404 is an abundant number, since it is smaller than the sum of its proper divisors (4887844).

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

3613404 is a wasteful number, since it uses less digits than its factorization.

3613404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505 (or 2503 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 3613404 is about 1900.8955784051. The cubic root of 3613404 is about 153.4518659181.

Adding to 3613404 its reverse (4043163), we get a palindrome (7656567).

The spelling of 3613404 in words is "three million, six hundred thirteen thousand, four hundred four".