3140000 has 60 divisors (see below), whose sum is σ = 7774074. Its totient is φ = 1248000.

The previous prime is 3139993. The next prime is 3140041. The reversal of 3140000 is 413.

It can be written as a sum of positive squares in 5 ways, for example, as 16 + 3139984 = 4^2 + 1772^2 .

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 3140000.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 19922 + ... + 20078.

Almost surely, 2^3140000 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 3140000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3887037).

3140000 is an abundant number, since it is smaller than the sum of its proper divisors (4634074).

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

3140000 is an equidigital number, since it uses as much as digits as its factorization.

3140000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 3140000 is about 1772.0045146669. The cubic root of 3140000 is about 146.4344350503.

Adding to 3140000 its reverse (413), we get a palindrome (3140413).

The spelling of 3140000 in words is "three million, one hundred forty thousand".