3140887 has 4 divisors (see below), whose sum is σ = 3217536. Its totient is φ = 3064240.

The previous prime is 3140881. The next prime is 3140911. The reversal of 3140887 is 7880413.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3140887 - 2¹⁹ = 2616599 is a prime.

It is a super-2 number, since 2×3140887² = 19730342293538, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3140881) 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, 38263 + ... + 38344.

It is an arithmetic number, because the mean of its divisors is an integer number (804384).

Almost surely, 2^3140887 is an apocalyptic number.

3140887 is a deficient number, since it is larger than the sum of its proper divisors (76649).

3140887 is an equidigital number, since it uses as much as digits as its factorization.

3140887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76648.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 3140887 is about 1772.2547785237. The cubic root of 3140887 is about 146.4482222176.

The spelling of 3140887 in words is "three million, one hundred forty thousand, eight hundred eighty-seven".