2630286 has 32 divisors (see below), whose sum is σ = 5940480. Its totient is φ = 862488.

The previous prime is 2630281. The next prime is 2630317. The reversal of 2630286 is 6820362.

2630286 is a `hidden beast` number, since 2 + 630 + 28 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2630281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3255 + ... + 3981.

It is an arithmetic number, because the mean of its divisors is an integer number (185640).

2^2630286 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2630286, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2970240).

2630286 is an abundant number, since it is smaller than the sum of its proper divisors (3310194).

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

2630286 is a wasteful number, since it uses less digits than its factorization.

2630286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805 (or 799 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 2630286 is about 1621.8156492031. The cubic root of 2630286 is about 138.0387414858.

It can be divided in two parts, 2630 and 286, that added together give a square (2916 = 54²).

The spelling of 2630286 in words is "two million, six hundred thirty thousand, two hundred eighty-six".