4278115 has 8 divisors (see below), whose sum is σ = 5357088. Its totient is φ = 3273600.

The previous prime is 4278103. The next prime is 4278121. The reversal of 4278115 is 5118724.

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

It is not a de Polignac number, because 4278115 - 2¹¹ = 4276067 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18486 + ... + 18715.

It is an arithmetic number, because the mean of its divisors is an integer number (669636).

Almost surely, 2^4278115 is an apocalyptic number.

4278115 is a deficient number, since it is larger than the sum of its proper divisors (1078973).

4278115 is a wasteful number, since it uses less digits than its factorization.

4278115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37229.

The product of its digits is 2240, while the sum is 28.

The square root of 4278115 is about 2068.3604618151. The cubic root of 4278115 is about 162.3369884036.

The spelling of 4278115 in words is "four million, two hundred seventy-eight thousand, one hundred fifteen".