3126643 has 8 divisors (see below), whose sum is σ = 3513888. Its totient is φ = 2760384.

The previous prime is 3126559. The next prime is 3126653. The reversal of 3126643 is 3466213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3126643 - 2⁹ = 3126131 is a prime.

It is a Duffinian number.

3126643 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3126653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4930 + ... + 5527.

It is an arithmetic number, because the mean of its divisors is an integer number (439236).

Almost surely, 2^3126643 is an apocalyptic number.

3126643 is a deficient number, since it is larger than the sum of its proper divisors (387245).

3126643 is a wasteful number, since it uses less digits than its factorization.

3126643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10493.

The product of its digits is 2592, while the sum is 25.

The square root of 3126643 is about 1768.2316024775. The cubic root of 3126643 is about 146.2265046143.

The spelling of 3126643 in words is "three million, one hundred twenty-six thousand, six hundred forty-three".