3140046 has 96 divisors (see below), whose sum is σ = 8805888. Its totient is φ = 816480.

The previous prime is 3140041. The next prime is 3140057. The reversal of 3140046 is 6400413.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3140041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44191 + ... + 44261.

It is an arithmetic number, because the mean of its divisors is an integer number (91728).

Almost surely, 2^3140046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3140046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4402944).

3140046 is an abundant number, since it is smaller than the sum of its proper divisors (5665842).

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

3140046 is a wasteful number, since it uses less digits than its factorization.

3140046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 3140046 is about 1772.0174942703. The cubic root of 3140046 is about 146.4351501194.

Adding to 3140046 its reverse (6400413), we get a palindrome (9540459).

The spelling of 3140046 in words is "three million, one hundred forty thousand, forty-six".