3143659 has 4 divisors (see below), whose sum is σ = 3147760. Its totient is φ = 3139560.

The previous prime is 3143641. The next prime is 3143671. The reversal of 3143659 is 9563413.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9563413 = 613 ⋅15601.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3143659 is a prime.

It is a Duffinian number.

3143659 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3143659.

It is not an unprimeable number, because it can be changed into a prime (3143159) 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, 519 + ... + 2560.

It is an arithmetic number, because the mean of its divisors is an integer number (786940).

Almost surely, 2^3143659 is an apocalyptic number.

3143659 is a deficient number, since it is larger than the sum of its proper divisors (4101).

3143659 is a wasteful number, since it uses less digits than its factorization.

3143659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4100.

The product of its digits is 9720, while the sum is 31.

The square root of 3143659 is about 1773.0366606475. The cubic root of 3143659 is about 146.4912923338.

The spelling of 3143659 in words is "three million, one hundred forty-three thousand, six hundred fifty-nine".