3142404 has 36 divisors (see below), whose sum is σ = 8140860. Its totient is φ = 1021440.

The previous prime is 3142393. The next prime is 3142441. The reversal of 3142404 is 4042413.

It can be written as a sum of positive squares in 2 ways, for example, as 419904 + 2722500 = 648^2 + 1650^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 412 + ... + 2540.

It is an arithmetic number, because the mean of its divisors is an integer number (226135).

Almost surely, 2^3142404 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 3142404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4070430).

3142404 is an abundant number, since it is smaller than the sum of its proper divisors (4998456).

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

3142404 is a wasteful number, since it uses less digits than its factorization.

3142404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2180 (or 2175 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 3142404 is about 1772.6827127267. The cubic root of 3142404 is about 146.4717958339.

Adding to 3142404 its reverse (4042413), we get a palindrome (7184817).

Subtracting 3142404 from its reverse (4042413), we obtain a palindrome (900009).

The spelling of 3142404 in words is "three million, one hundred forty-two thousand, four hundred four".