4088939 has 4 divisors (see below), whose sum is σ = 4095960. Its totient is φ = 4081920.

The previous prime is 4088923. The next prime is 4088941. The reversal of 4088939 is 9398804.

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

It is a cyclic number.

It is not a de Polignac number, because 4088939 - 2⁴ = 4088923 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4088896 and 4088905.

It is not an unprimeable number, because it can be changed into a prime (4088039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2549 + ... + 3830.

It is an arithmetic number, because the mean of its divisors is an integer number (1023990).

Almost surely, 2^4088939 is an apocalyptic number.

4088939 is a deficient number, since it is larger than the sum of its proper divisors (7021).

4088939 is an equidigital number, since it uses as much as digits as its factorization.

4088939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7020.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 4088939 is about 2022.1125092338. The cubic root of 4088939 is about 159.9080070140.

The spelling of 4088939 in words is "four million, eighty-eight thousand, nine hundred thirty-nine".