3139304 has 32 divisors (see below), whose sum is σ = 6844800. Its totient is φ = 1321920.

The previous prime is 3139303. The next prime is 3139307. The reversal of 3139304 is 4039313.

It is a self number, because there is not a number n which added to its sum of digits gives 3139304.

It is not an unprimeable number, because it can be changed into a prime (3139303) 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, 2957 + ... + 3875.

It is an arithmetic number, because the mean of its divisors is an integer number (213900).

Almost surely, 2^3139304 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 3139304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3422400).

3139304 is an abundant number, since it is smaller than the sum of its proper divisors (3705496).

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

3139304 is a wasteful number, since it uses less digits than its factorization.

3139304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993 (or 989 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 3139304 is about 1771.8081160216. The cubic root of 3139304 is about 146.4236148913.

Subtracting 3139304 from its reverse (4039313), we obtain a palindrome (900009).

It can be divided in two parts, 3139 and 304, that added together give a palindrome (3443).

The spelling of 3139304 in words is "three million, one hundred thirty-nine thousand, three hundred four".