28905410 has 16 divisors (see below), whose sum is σ = 53299512. Its totient is φ = 11280000.

The previous prime is 28905407. The next prime is 28905413. The reversal of 28905410 is 1450982.

It is an interprime number because it is at equal distance from previous prime (28905407) and next prime (28905413).

It can be written as a sum of positive squares in 4 ways, for example, as 18722929 + 10182481 = 4327^2 + 3191^2 .

It is not an unprimeable number, because it can be changed into a prime (28905413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34841 + ... + 35660.

Almost surely, 2^28905410 is an apocalyptic number.

28905410 is a deficient number, since it is larger than the sum of its proper divisors (24394102).

28905410 is a wasteful number, since it uses less digits than its factorization.

28905410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70549.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 28905410 is about 5376.3751729209. The cubic root of 28905410 is about 306.8972837341.

The spelling of 28905410 in words is "twenty-eight million, nine hundred five thousand, four hundred ten".