4609278 has 32 divisors (see below), whose sum is σ = 10847520. Its totient is φ = 1445760.

The previous prime is 4609277. The next prime is 4609301. The reversal of 4609278 is 8729064.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4609271) 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 15 ways as a sum of consecutive naturals, for example, 1593 + ... + 3428.

It is an arithmetic number, because the mean of its divisors is an integer number (338985).

Almost surely, 2^4609278 is an apocalyptic number.

4609278 is an abundant number, since it is smaller than the sum of its proper divisors (6238242).

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

4609278 is a wasteful number, since it uses less digits than its factorization.

4609278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5049 (or 5043 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 4609278 is about 2146.9229143125. The cubic root of 4609278 is about 166.4220883754.

The spelling of 4609278 in words is "four million, six hundred nine thousand, two hundred seventy-eight".