4278039 has 8 divisors (see below), whose sum is σ = 5738880. Its totient is φ = 2834616.

The previous prime is 4278037. The next prime is 4278041. The reversal of 4278039 is 9308724.

It is an interprime number because it is at equal distance from previous prime (4278037) and next prime (4278041).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4278039 - 2¹ = 4278037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4278037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3769 + ... + 4770.

It is an arithmetic number, because the mean of its divisors is an integer number (717360).

Almost surely, 2^4278039 is an apocalyptic number.

4278039 is a deficient number, since it is larger than the sum of its proper divisors (1460841).

4278039 is a wasteful number, since it uses less digits than its factorization.

4278039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8709.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 4278039 is about 2068.3420896941. The cubic root of 4278039 is about 162.3360271014.

The spelling of 4278039 in words is "four million, two hundred seventy-eight thousand, thirty-nine".