28508162 has 8 divisors (see below), whose sum is σ = 42793596. Its totient is φ = 14243632.

The previous prime is 28508153. The next prime is 28508171. The reversal of 28508162 is 26180582.

It is an interprime number because it is at equal distance from previous prime (28508153) and next prime (28508171).

It can be written as a sum of positive squares in 2 ways, for example, as 23222761 + 5285401 = 4819^2 + 2299^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1193 + ... + 7644.

Almost surely, 2^28508162 is an apocalyptic number.

28508162 is a deficient number, since it is larger than the sum of its proper divisors (14285434).

28508162 is a wasteful number, since it uses less digits than its factorization.

28508162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10452.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 28508162 is about 5339.3035126316. The cubic root of 28508162 is about 305.4848938433.

The spelling of 28508162 in words is "twenty-eight million, five hundred eight thousand, one hundred sixty-two".