3231404 has 18 divisors (see below), whose sum is σ = 6191892. Its totient is φ = 1463400.

The previous prime is 3231401. The next prime is 3231413. The reversal of 3231404 is 4041323.

3231404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3231404² = 20883943622432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3231401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11789 + ... + 12059.

It is an arithmetic number, because the mean of its divisors is an integer number (343994).

Almost surely, 2^3231404 is an apocalyptic number.

It is an amenable number.

3231404 is a deficient number, since it is larger than the sum of its proper divisors (2960488).

3231404 is a wasteful number, since it uses less digits than its factorization.

3231404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557 (or 284 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 3231404 is about 1797.6106363726. The cubic root of 3231404 is about 147.8417470848.

Adding to 3231404 its reverse (4041323), we get a palindrome (7272727).

The spelling of 3231404 in words is "three million, two hundred thirty-one thousand, four hundred four".