28652049 has 20 divisors (see below), whose sum is σ = 42989364. Its totient is φ = 19017504.

The previous prime is 28652033. The next prime is 28652051. The reversal of 28652049 is 94025682.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11512449 + 17139600 = 3393^2 + 4140^2 .

It is not a de Polignac number, because 28652049 - 2⁴ = 28652033 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28652069) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 21799 + ... + 23075.

Almost surely, 2^28652049 is an apocalyptic number.

It is an amenable number.

28652049 is a deficient number, since it is larger than the sum of its proper divisors (14337315).

28652049 is a wasteful number, since it uses less digits than its factorization.

28652049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1566 (or 1557 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 28652049 is about 5352.7608764076. The cubic root of 28652049 is about 305.9979815322.

The spelling of 28652049 in words is "twenty-eight million, six hundred fifty-two thousand, forty-nine".