28496164 has 6 divisors (see below), whose sum is σ = 49868294. Its totient is φ = 14248080.

The previous prime is 28496129. The next prime is 28496191. The reversal of 28496164 is 46169482.

It can be written as a sum of positive squares in only one way, i.e., 19448100 + 9048064 = 4410^2 + 3008^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3562017 + ... + 3562024.

Almost surely, 2^28496164 is an apocalyptic number.

It is an amenable number.

28496164 is a deficient number, since it is larger than the sum of its proper divisors (21372130).

28496164 is a wasteful number, since it uses less digits than its factorization.

28496164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7124045 (or 7124043 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 28496164 is about 5338.1798396083. The cubic root of 28496164 is about 305.4420321761.

The spelling of 28496164 in words is "twenty-eight million, four hundred ninety-six thousand, one hundred sixty-four".