3140404 has 6 divisors (see below), whose sum is σ = 5495714. Its totient is φ = 1570200.

The previous prime is 3140369. The next prime is 3140407. The reversal of 3140404 is 4040413.

It can be written as a sum of positive squares in only one way, i.e., 1822500 + 1317904 = 1350^2 + 1148^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3140407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 392547 + ... + 392554.

Almost surely, 2^3140404 is an apocalyptic number.

It is an amenable number.

3140404 is a deficient number, since it is larger than the sum of its proper divisors (2355310).

3140404 is a wasteful number, since it uses less digits than its factorization.

3140404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785105 (or 785103 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 3140404 is about 1772.1185061953. The cubic root of 3140404 is about 146.4407149839.

Adding to 3140404 its reverse (4040413), we get a palindrome (7180817).

Subtracting 3140404 from its reverse (4040413), we obtain a palindrome (900009).

The spelling of 3140404 in words is "three million, one hundred forty thousand, four hundred four".