28358016 has 32 divisors (see below), whose sum is σ = 75327000. Its totient is φ = 9452544.

The previous prime is 28358003. The next prime is 28358017. The reversal of 28358016 is 61085382.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28358017) 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, 36541 + ... + 37308.

Almost surely, 2^28358016 is an apocalyptic number.

It is an amenable number.

28358016 is an abundant number, since it is smaller than the sum of its proper divisors (46968984).

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

28358016 is an equidigital number, since it uses as much as digits as its factorization.

28358016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73866 (or 73854 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 28358016 is about 5325.2245023097. The cubic root of 28358016 is about 304.9476430777.

The spelling of 28358016 in words is "twenty-eight million, three hundred fifty-eight thousand, sixteen".