4278630 has 32 divisors (see below), whose sum is σ = 10358784. Its totient is φ = 1130976.

The previous prime is 4278619. The next prime is 4278641. The reversal of 4278630 is 368724.

It is an interprime number because it is at equal distance from previous prime (4278619) and next prime (4278641).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3249 + ... + 4371.

It is an arithmetic number, because the mean of its divisors is an integer number (323712).

Almost surely, 2^4278630 is an apocalyptic number.

4278630 is an abundant number, since it is smaller than the sum of its proper divisors (6080154).

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

4278630 is a wasteful number, since it uses less digits than its factorization.

4278630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 4278630 is about 2068.4849528097. The cubic root of 4278630 is about 162.3435021910.

The spelling of 4278630 in words is "four million, two hundred seventy-eight thousand, six hundred thirty".