28411149 has 32 divisors (see below), whose sum is σ = 42223104. Its totient is φ = 16885440.

The previous prime is 28411129. The next prime is 28411151. The reversal of 28411149 is 94111482.

It is not a de Polignac number, because 28411149 - 2⁹ = 28410637 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28411129) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 216814 + ... + 216944.

It is an arithmetic number, because the mean of its divisors is an integer number (1319472).

Almost surely, 2^28411149 is an apocalyptic number.

It is an amenable number.

28411149 is a deficient number, since it is larger than the sum of its proper divisors (13811955).

28411149 is a wasteful number, since it uses less digits than its factorization.

28411149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297.

The product of its digits is 2304, while the sum is 30.

The square root of 28411149 is about 5330.2109714344. The cubic root of 28411149 is about 305.1379793150.

It can be divided in two parts, 2 and 8411149, that added together give a triangular number (8411151 = T₄₁₀₁).

The spelling of 28411149 in words is "twenty-eight million, four hundred eleven thousand, one hundred forty-nine".