28314016 has 12 divisors (see below), whose sum is σ = 55743282. Its totient is φ = 14156992.

The previous prime is 28314001. The next prime is 28314017. The reversal of 28314016 is 61041382.

It can be written as a sum of positive squares in only one way, i.e., 27667600 + 646416 = 5260^2 + 804^2 .

It is not an unprimeable number, because it can be changed into a prime (28314017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 442375 + ... + 442438.

Almost surely, 2^28314016 is an apocalyptic number.

It is an amenable number.

28314016 is a deficient number, since it is larger than the sum of its proper divisors (27429266).

28314016 is an equidigital number, since it uses as much as digits as its factorization.

28314016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884823 (or 884815 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 28314016 is about 5321.0916173282. The cubic root of 28314016 is about 304.7898435820.

Adding to 28314016 its reverse (61041382), we get a palindrome (89355398).

It can be divided in two parts, 2831 and 4016, that multiplied together give a triangular number (11369296 = T₄₇₆₈).

The spelling of 28314016 in words is "twenty-eight million, three hundred fourteen thousand, sixteen".