3140641 has 16 divisors (see below), whose sum is σ = 3806208. Its totient is φ = 2534400.

The previous prime is 3140639. The next prime is 3140653. The reversal of 3140641 is 1460413.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3140641 - 2¹ = 3140639 is a prime.

It is a deceptive number, since it divides R_3140640.

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 15 ways as a sum of consecutive naturals, for example, 8721 + ... + 9073.

It is an arithmetic number, because the mean of its divisors is an integer number (237888).

Almost surely, 2^3140641 is an apocalyptic number.

3140641 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3140641 is a deficient number, since it is larger than the sum of its proper divisors (665567).

3140641 is a wasteful number, since it uses less digits than its factorization.

3140641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432.

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

The square root of 3140641 is about 1772.1853740509. The cubic root of 3140641 is about 146.4443987538. Note that the first 3 decimals are identical.

The spelling of 3140641 in words is "three million, one hundred forty thousand, six hundred forty-one".