28801082 has 8 divisors (see below), whose sum is σ = 43440852. Its totient is φ = 14320800.

The previous prime is 28801063. The next prime is 28801117. The reversal of 28801082 is 28010882.

It can be written as a sum of positive squares in 2 ways, for example, as 21353641 + 7447441 = 4621^2 + 2729^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39419 + ... + 40142.

Almost surely, 2^28801082 is an apocalyptic number.

28801082 is a deficient number, since it is larger than the sum of its proper divisors (14639770).

28801082 is a wasteful number, since it uses less digits than its factorization.

28801082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79744.

The product of its (nonzero) digits is 2048, while the sum is 29.

The square root of 28801082 is about 5366.6639544507. The cubic root of 28801082 is about 306.5276115520.

The spelling of 28801082 in words is "twenty-eight million, eight hundred one thousand, eighty-two".