4181039 has 4 divisors (see below), whose sum is σ = 4208880. Its totient is φ = 4153200.

The previous prime is 4180987. The next prime is 4181041. The reversal of 4181039 is 9301814.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9301814 = 2 ⋅4650907.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4181039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4180999 and 4181017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4181059) 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, 13694 + ... + 13995.

It is an arithmetic number, because the mean of its divisors is an integer number (1052220).

Almost surely, 2^4181039 is an apocalyptic number.

4181039 is a deficient number, since it is larger than the sum of its proper divisors (27841).

4181039 is a wasteful number, since it uses less digits than its factorization.

4181039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27840.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 4181039 is about 2044.7589099940. The cubic root of 4181039 is about 161.0997029135.

The spelling of 4181039 in words is "four million, one hundred eighty-one thousand, thirty-nine".