28411384 has 16 divisors (see below), whose sum is σ = 56075400. Its totient is φ = 13457952.

The previous prime is 28411351. The next prime is 28411399. The reversal of 28411384 is 48311482.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 93307 + ... + 93610.

Almost surely, 2^28411384 is an apocalyptic number.

It is an amenable number.

28411384 is a deficient number, since it is larger than the sum of its proper divisors (27664016).

28411384 is a wasteful number, since it uses less digits than its factorization.

28411384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186942 (or 186938 counting only the distinct ones).

The product of its digits is 6144, while the sum is 31.

The square root of 28411384 is about 5330.2330155444. The cubic root of 28411384 is about 305.1388206189.

It can be divided in two parts, 2841 and 1384, that added together give a square (4225 = 65²).

The spelling of 28411384 in words is "twenty-eight million, four hundred eleven thousand, three hundred eighty-four".