2649630 has 16 divisors (see below), whose sum is σ = 6359184. Its totient is φ = 706560.

The previous prime is 2649613. The next prime is 2649677. The reversal of 2649630 is 369462.

2649630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×2649630³ = 55805493339913041000, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 88321 = 2649630 / (2 + 6 + 4 + 9 + 6 + 3 + 0).

It is a d-powerful number, because it can be written as 2⁷ + 6 + 4¹⁰ + 9⁴ + 6² + 3¹³ + 0 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44131 + ... + 44190.

It is an arithmetic number, because the mean of its divisors is an integer number (397449).

2^2649630 is an apocalyptic number.

2649630 is an abundant number, since it is smaller than the sum of its proper divisors (3709554).

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

2649630 is a wasteful number, since it uses less digits than its factorization.

2649630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88331.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 2649630 is about 1627.7684110462. The cubic root of 2649630 is about 138.3763096096.

The spelling of 2649630 in words is "two million, six hundred forty-nine thousand, six hundred thirty".