3140380 has 12 divisors (see below), whose sum is σ = 6594840. Its totient is φ = 1256144.

The previous prime is 3140369. The next prime is 3140407. The reversal of 3140380 is 830413.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78490 + ... + 78529.

It is an arithmetic number, because the mean of its divisors is an integer number (549570).

Almost surely, 2^3140380 is an apocalyptic number.

It is an amenable number.

3140380 is an abundant number, since it is smaller than the sum of its proper divisors (3454460).

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

3140380 is a wasteful number, since it uses less digits than its factorization.

3140380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157028 (or 157026 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 3140380 is about 1772.1117346262. Note that the first 3 decimals coincide. The cubic root of 3140380 is about 146.4403419336.

Adding to 3140380 its reverse (830413), we get a palindrome (3970793).

The spelling of 3140380 in words is "three million, one hundred forty thousand, three hundred eighty".