28653366 has 32 divisors (see below), whose sum is σ = 65657088. Its totient is φ = 8166240.

The previous prime is 28653353. The next prime is 28653367. The reversal of 28653366 is 66335682.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28653367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26476 + ... + 27536.

It is an arithmetic number, because the mean of its divisors is an integer number (2051784).

Almost surely, 2^28653366 is an apocalyptic number.

28653366 is an abundant number, since it is smaller than the sum of its proper divisors (37003722).

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

28653366 is a wasteful number, since it uses less digits than its factorization.

28653366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1716.

The product of its digits is 155520, while the sum is 39.

The square root of 28653366 is about 5352.8838956211. The cubic root of 28653366 is about 306.0026698900.

The spelling of 28653366 in words is "twenty-eight million, six hundred fifty-three thousand, three hundred sixty-six".