3140047 has 4 divisors (see below), whose sum is σ = 3147376. Its totient is φ = 3132720.

The previous prime is 3140041. The next prime is 3140057. The reversal of 3140047 is 7400413.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7400413 = 31 ⋅238723.

It is a cyclic number.

It is not a de Polignac number, because 3140047 - 2⁷ = 3139919 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 2979 + ... + 3892.

It is an arithmetic number, because the mean of its divisors is an integer number (786844).

Almost surely, 2^3140047 is an apocalyptic number.

3140047 is a deficient number, since it is larger than the sum of its proper divisors (7329).

3140047 is an equidigital number, since it uses as much as digits as its factorization.

3140047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7328.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 3140047 is about 1772.0177764345. The cubic root of 3140047 is about 146.4351656643.

The spelling of 3140047 in words is "three million, one hundred forty thousand, forty-seven".