28633662 has 56 divisors (see below), whose sum is σ = 66104640. Its totient is φ = 9292320.

The previous prime is 28633651. The next prime is 28633667. The reversal of 28633662 is 26633682.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28633667) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 59539 + ... + 60017.

It is an arithmetic number, because the mean of its divisors is an integer number (1180440).

Almost surely, 2^28633662 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28633662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33052320).

28633662 is an abundant number, since it is smaller than the sum of its proper divisors (37470978).

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

28633662 is an equidigital number, since it uses as much as digits as its factorization.

28633662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540 (or 525 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 28633662 is about 5351.0430758872. The cubic root of 28633662 is about 305.9325110678.

The spelling of 28633662 in words is "twenty-eight million, six hundred thirty-three thousand, six hundred sixty-two".