2642630 has 8 divisors (see below), whose sum is σ = 4756752. Its totient is φ = 1057048.

The previous prime is 2642621. The next prime is 2642639. The reversal of 2642630 is 362462.

It is an interprime number because it is at equal distance from previous prime (2642621) and next prime (2642639).

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 = 2642596 and 2642605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2642639) 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, 132122 + ... + 132141.

It is an arithmetic number, because the mean of its divisors is an integer number (594594).

2^2642630 is an apocalyptic number.

2642630 is a deficient number, since it is larger than the sum of its proper divisors (2114122).

2642630 is a wasteful number, since it uses less digits than its factorization.

2642630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264270.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 2642630 is about 1625.6168060155. The cubic root of 2642630 is about 138.2543443508.

The spelling of 2642630 in words is "two million, six hundred forty-two thousand, six hundred thirty".