4096639 has 4 divisors (see below), whose sum is σ = 4129024. Its totient is φ = 4064256.

The previous prime is 4096633. The next prime is 4096657. The reversal of 4096639 is 9366904.

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

It is a 10-Lehmer number, since φ(4096639) divides (4096639-1)¹⁰.

It is a cyclic number.

It is not a de Polignac number, because 4096639 - 2⁵ = 4096607 is a prime.

4096639 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4096598 and 4096607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4096633) 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, 16002 + ... + 16255.

It is an arithmetic number, because the mean of its divisors is an integer number (1032256).

Almost surely, 2^4096639 is an apocalyptic number.

4096639 is a deficient number, since it is larger than the sum of its proper divisors (32385).

4096639 is a wasteful number, since it uses less digits than its factorization.

4096639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32384.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 4096639 is about 2024.0155631813. The cubic root of 4096639 is about 160.0083198799.

The spelling of 4096639 in words is "four million, ninety-six thousand, six hundred thirty-nine".