28998416 has 10 divisors (see below), whose sum is σ = 56184462. Its totient is φ = 14499200.

The previous prime is 28998407. The next prime is 28998419. The reversal of 28998416 is 61489982.

It can be written as a sum of positive squares in only one way, i.e., 20611600 + 8386816 = 4540^2 + 2896^2 .

It is not an unprimeable number, because it can be changed into a prime (28998419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 906185 + ... + 906216.

Almost surely, 2^28998416 is an apocalyptic number.

It is an amenable number.

28998416 is a deficient number, since it is larger than the sum of its proper divisors (27186046).

28998416 is a wasteful number, since it uses less digits than its factorization.

28998416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1812409 (or 1812403 counting only the distinct ones).

The product of its digits is 248832, while the sum is 47.

The square root of 28998416 is about 5385.0177344183. The cubic root of 28998416 is about 307.2260887313.

The spelling of 28998416 in words is "twenty-eight million, nine hundred ninety-eight thousand, four hundred sixteen".