28413416 has 8 divisors (see below), whose sum is σ = 53275170. Its totient is φ = 14206704.

The previous prime is 28413403. The next prime is 28413431. The reversal of 28413416 is 61431482.

It can be written as a sum of positive squares in only one way, i.e., 26481316 + 1932100 = 5146^2 + 1390^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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, 1775831 + ... + 1775846.

Almost surely, 2^28413416 is an apocalyptic number.

It is an amenable number.

28413416 is a deficient number, since it is larger than the sum of its proper divisors (24861754).

28413416 is a wasteful number, since it uses less digits than its factorization.

28413416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3551683 (or 3551679 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

The square root of 28413416 is about 5330.4236229403. The cubic root of 28413416 is about 305.1460950187.

Adding to 28413416 its reverse (61431482), we get a palindrome (89844898).

The spelling of 28413416 in words is "twenty-eight million, four hundred thirteen thousand, four hundred sixteen".