3139404 has 24 divisors (see below), whose sum is σ = 7354368. Its totient is φ = 1042320.

The previous prime is 3139403. The next prime is 3139417. The reversal of 3139404 is 4049313.

It is not an unprimeable number, because it can be changed into a prime (3139403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4869 + ... + 5475.

It is an arithmetic number, because the mean of its divisors is an integer number (306432).

Almost surely, 2^3139404 is an apocalyptic number.

It is an amenable number.

3139404 is an abundant number, since it is smaller than the sum of its proper divisors (4214964).

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

3139404 is a wasteful number, since it uses less digits than its factorization.

3139404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045 (or 1043 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 3139404 is about 1771.8363355570. The cubic root of 3139404 is about 146.4251696102.

Subtracting 3139404 from its reverse (4049313), we obtain a palindrome (909909).

The spelling of 3139404 in words is "three million, one hundred thirty-nine thousand, four hundred four".