3140236 has 48 divisors (see below), whose sum is σ = 6531840. Its totient is φ = 1305920.

The previous prime is 3140233. The next prime is 3140237. The reversal of 3140236 is 6320413.

It is a super-2 number, since 2×3140236² = 19722164271392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3140233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29295 + ... + 29401.

It is an arithmetic number, because the mean of its divisors is an integer number (136080).

Almost surely, 2^3140236 is an apocalyptic number.

It is an amenable number.

3140236 is an abundant number, since it is smaller than the sum of its proper divisors (3391604).

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

3140236 is a wasteful number, since it uses less digits than its factorization.

3140236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 3140236 is about 1772.0711046682. The cubic root of 3140236 is about 146.4381035918.

Adding to 3140236 its reverse (6320413), we get a palindrome (9460649).

The spelling of 3140236 in words is "three million, one hundred forty thousand, two hundred thirty-six".