4079643 has 16 divisors (see below), whose sum is σ = 5806080. Its totient is φ = 2539136.

The previous prime is 4079641. The next prime is 4079651. The reversal of 4079643 is 3469704.

It is a cyclic number.

It is not a de Polignac number, because 4079643 - 2¹ = 4079641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4079641) 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, 8278 + ... + 8756.

It is an arithmetic number, because the mean of its divisors is an integer number (362880).

Almost surely, 2^4079643 is an apocalyptic number.

4079643 is a deficient number, since it is larger than the sum of its proper divisors (1726437).

4079643 is a wasteful number, since it uses less digits than its factorization.

4079643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 4079643 is about 2019.8126150710. The cubic root of 4079643 is about 159.7867340908.

The spelling of 4079643 in words is "four million, seventy-nine thousand, six hundred forty-three".