3031404 has 12 divisors (see below), whose sum is σ = 7073304. Its totient is φ = 1010464.

The previous prime is 3031403. The next prime is 3031421. The reversal of 3031404 is 4041303.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×3031404² = 18378820422432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3031403) 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, 126297 + ... + 126320.

It is an arithmetic number, because the mean of its divisors is an integer number (589442).

Almost surely, 2^3031404 is an apocalyptic number.

It is an amenable number.

3031404 is an abundant number, since it is smaller than the sum of its proper divisors (4041900).

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

3031404 is a wasteful number, since it uses less digits than its factorization.

3031404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252624 (or 252622 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 3031404 is about 1741.0927603089. The cubic root of 3031404 is about 144.7264601189.

Adding to 3031404 its reverse (4041303), we get a palindrome (7072707).

The spelling of 3031404 in words is "three million, thirty-one thousand, four hundred four".