4278342 has 16 divisors (see below), whose sum is σ = 8577072. Its totient is φ = 1422720.

The previous prime is 4278289. The next prime is 4278343. The reversal of 4278342 is 2438724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4278343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4098 + ... + 5034.

It is an arithmetic number, because the mean of its divisors is an integer number (536067).

Almost surely, 2^4278342 is an apocalyptic number.

4278342 is an abundant number, since it is smaller than the sum of its proper divisors (4298730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4278342 is a wasteful number, since it uses less digits than its factorization.

4278342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1703.

The product of its digits is 10752, while the sum is 30.

The square root of 4278342 is about 2068.4153354682. The cubic root of 4278342 is about 162.3398595938.

The spelling of 4278342 in words is "four million, two hundred seventy-eight thousand, three hundred forty-two".