3133404 has 60 divisors (see below), whose sum is σ = 8639400. Its totient is φ = 987552.

The previous prime is 3133399. The next prime is 3133411. The reversal of 3133404 is 4043313.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5902 + ... + 6410.

It is an arithmetic number, because the mean of its divisors is an integer number (143990).

Almost surely, 2^3133404 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 3133404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4319700).

3133404 is an abundant number, since it is smaller than the sum of its proper divisors (5505996).

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

3133404 is a wasteful number, since it uses less digits than its factorization.

3133404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544 (or 533 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 3133404 is about 1770.1423671558. The cubic root of 3133404 is about 146.3318279754.

Adding to 3133404 its reverse (4043313), we get a palindrome (7176717).

Subtracting 3133404 from its reverse (4043313), we obtain a palindrome (909909).

The spelling of 3133404 in words is "three million, one hundred thirty-three thousand, four hundred four".