4160639 has 24 divisors (see below), whose sum is σ = 5266800. Its totient is φ = 3265920.

The previous prime is 4160617. The next prime is 4160641. The reversal of 4160639 is 9360614.

It is not a de Polignac number, because 4160639 - 2¹⁶ = 4095103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4160609) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38117 + ... + 38225.

It is an arithmetic number, because the mean of its divisors is an integer number (219450).

Almost surely, 2^4160639 is an apocalyptic number.

4160639 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

4160639 is a deficient number, since it is larger than the sum of its proper divisors (1106161).

4160639 is a wasteful number, since it uses less digits than its factorization.

4160639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 4160639 is about 2039.7644471850. The cubic root of 4160639 is about 160.8372646776.

The spelling of 4160639 in words is "four million, one hundred sixty thousand, six hundred thirty-nine".