28313650 has 12 divisors (see below), whose sum is σ = 52663482. Its totient is φ = 11325440.

The previous prime is 28313639. The next prime is 28313671. The reversal of 28313650 is 5631382.

It can be written as a sum of positive squares in 3 ways, for example, as 25070049 + 3243601 = 5007^2 + 1801^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 283087 + ... + 283186.

Almost surely, 2^28313650 is an apocalyptic number.

28313650 is a deficient number, since it is larger than the sum of its proper divisors (24349832).

28313650 is a wasteful number, since it uses less digits than its factorization.

28313650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566285 (or 566280 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 28313650 is about 5321.0572257776. The cubic root of 28313650 is about 304.7885302918.

The spelling of 28313650 in words is "twenty-eight million, three hundred thirteen thousand, six hundred fifty".