3140244 has 36 divisors (see below), whose sum is σ = 8357440. Its totient is φ = 991440.

The previous prime is 3140243. The next prime is 3140251. The reversal of 3140244 is 4420413.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×3140244² = 19722264759072, which contains 22 as substring.

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 (3140243) 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 11 ways as a sum of consecutive naturals, for example, 1612 + ... + 2979.

Almost surely, 2^3140244 is an apocalyptic number.

It is an amenable number.

3140244 is an abundant number, since it is smaller than the sum of its proper divisors (5217196).

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

3140244 is a wasteful number, since it uses less digits than its factorization.

3140244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4620 (or 4615 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 3140244 is about 1772.0733619125. The cubic root of 3140244 is about 146.4382279459.

Adding to 3140244 its reverse (4420413), we get a palindrome (7560657).

It can be divided in two parts, 314024 and 4, that added together give a triangular number (314028 = T₇₉₂).

The spelling of 3140244 in words is "three million, one hundred forty thousand, two hundred forty-four".