4947278 has 16 divisors (see below), whose sum is σ = 8515680. Its totient is φ = 2111616.

The previous prime is 4947269. The next prime is 4947287. The reversal of 4947278 is 8727494.

It is an interprime number because it is at equal distance from previous prime (4947269) and next prime (4947287).

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent 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, 3818 + ... + 4946.

It is an arithmetic number, because the mean of its divisors is an integer number (532230).

Almost surely, 2^4947278 is an apocalyptic number.

4947278 is a deficient number, since it is larger than the sum of its proper divisors (3568402).

4947278 is a wasteful number, since it uses less digits than its factorization.

4947278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1451.

The product of its digits is 112896, while the sum is 41.

The square root of 4947278 is about 2224.2477380004. The cubic root of 4947278 is about 170.3944473861.

It can be divided in two parts, 4947 and 278, that added together give a palindrome (5225).

The spelling of 4947278 in words is "four million, nine hundred forty-seven thousand, two hundred seventy-eight".