2668630 has 8 divisors (see below), whose sum is σ = 4803552. Its totient is φ = 1067448.

The previous prime is 2668619. The next prime is 2668637. The reversal of 2668630 is 368662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2668592 and 2668601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2668637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133422 + ... + 133441.

It is an arithmetic number, because the mean of its divisors is an integer number (600444).

2^2668630 is an apocalyptic number.

2668630 is a deficient number, since it is larger than the sum of its proper divisors (2134922).

2668630 is a wasteful number, since it uses less digits than its factorization.

2668630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266870.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 2668630 is about 1633.5941968555. The cubic root of 2668630 is about 138.7062790040.

Subtracting from 2668630 its reverse (368662), we obtain a cube (2299968 = 132³).

The spelling of 2668630 in words is "two million, six hundred sixty-eight thousand, six hundred thirty".