28093602 has 8 divisors (see below), whose sum is σ = 56187216. Its totient is φ = 9364532.

The previous prime is 28093601. The next prime is 28093613. The reversal of 28093602 is 20639082.

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

28093602 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 28093602.

It is not an unprimeable number, because it can be changed into a prime (28093601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2341128 + ... + 2341139.

It is an arithmetic number, because the mean of its divisors is an integer number (7023402).

Almost surely, 2^28093602 is an apocalyptic number.

28093602 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28093602 is a wasteful number, since it uses less digits than its factorization.

28093602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4682272.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 28093602 is about 5300.3398004279. The cubic root of 28093602 is about 303.9968908385.

The spelling of 28093602 in words is "twenty-eight million, ninety-three thousand, six hundred two".