28801662 has 16 divisors (see below), whose sum is σ = 58333440. Its totient is φ = 9478872.

The previous prime is 28801649. The next prime is 28801673. The reversal of 28801662 is 26610882.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29908 + ... + 30855.

It is an arithmetic number, because the mean of its divisors is an integer number (3645840).

Almost surely, 2^28801662 is an apocalyptic number.

28801662 is an abundant number, since it is smaller than the sum of its proper divisors (29531778).

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

28801662 is a wasteful number, since it uses less digits than its factorization.

28801662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60847.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 28801662 is about 5366.7179914730. The cubic root of 28801662 is about 306.5296691694.

The spelling of 28801662 in words is "twenty-eight million, eight hundred one thousand, six hundred sixty-two".