4278680 has 96 divisors (see below), whose sum is σ = 11696400. Its totient is φ = 1403136.

The previous prime is 4278671. The next prime is 4278691. The reversal of 4278680 is 868724.

4278680 = T₁ + T₂ + ... + T₂₉₄.

4278680 is a nontrivial binomial coefficient, being equal to C(296, 3).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 4278680.

It is a congruent number.

It is an unprimeable number.

It is the 294-th tetrahedral number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72491 + ... + 72549.

Almost surely, 2^4278680 is an apocalyptic number.

4278680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4278680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5848200).

4278680 is an abundant number, since it is smaller than the sum of its proper divisors (7417720).

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

4278680 is a wasteful number, since it uses less digits than its factorization.

4278680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 4278680 is about 2068.4970389150. The cubic root of 4278680 is about 162.3441345697.

The spelling of 4278680 in words is "four million, two hundred seventy-eight thousand, six hundred eighty".