2650628 has 6 divisors (see below), whose sum is σ = 4638606. Its totient is φ = 1325312.

The previous prime is 2650621. The next prime is 2650639. The reversal of 2650628 is 8260562.

It can be written as a sum of positive squares in only one way, i.e., 2334784 + 315844 = 1528^2 + 562^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2650628.

It is not an unprimeable number, because it can be changed into a prime (2650621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331325 + ... + 331332.

It is an arithmetic number, because the mean of its divisors is an integer number (773101).

2^2650628 is an apocalyptic number.

It is an amenable number.

2650628 is a deficient number, since it is larger than the sum of its proper divisors (1987978).

2650628 is a wasteful number, since it uses less digits than its factorization.

2650628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662661 (or 662659 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 2650628 is about 1628.0749368503. The cubic root of 2650628 is about 138.3936808680.

The spelling of 2650628 in words is "two million, six hundred fifty thousand, six hundred twenty-eight".