4278912 has 64 divisors (see below), whose sum is σ = 12411360. Its totient is φ = 1295360.

The previous prime is 4278893. The next prime is 4278931. The reversal of 4278912 is 2198724.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4278893) and next prime (4278931).

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 3718 + ... + 4730.

Almost surely, 2^4278912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4278912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6205680).

4278912 is an abundant number, since it is smaller than the sum of its proper divisors (8132448).

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

4278912 is a wasteful number, since it uses less digits than its factorization.

4278912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041 (or 1029 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 4278912 is about 2068.5531175196. The cubic root of 4278912 is about 162.3470687425.

It can be divided in two parts, 427 and 8912, that added together give a palindrome (9339).

The spelling of 4278912 in words is "four million, two hundred seventy-eight thousand, nine hundred twelve".