28650452 has 6 divisors (see below), whose sum is σ = 50138298. Its totient is φ = 14325224.

The previous prime is 28650449. The next prime is 28650467. The reversal of 28650452 is 25405682.

It can be written as a sum of positive squares in only one way, i.e., 21659716 + 6990736 = 4654^2 + 2644^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3581303 + ... + 3581310.

It is an arithmetic number, because the mean of its divisors is an integer number (8356383).

Almost surely, 2^28650452 is an apocalyptic number.

It is an amenable number.

28650452 is a deficient number, since it is larger than the sum of its proper divisors (21487846).

28650452 is a wasteful number, since it uses less digits than its factorization.

28650452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7162617 (or 7162615 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 28650452 is about 5352.6116989746. The cubic root of 28650452 is about 305.9922962163.

The spelling of 28650452 in words is "twenty-eight million, six hundred fifty thousand, four hundred fifty-two".