24428019 has 24 divisors (see below), whose sum is σ = 41335488. Its totient is φ = 12689040.

The previous prime is 24428017. The next prime is 24428023. The reversal of 24428019 is 91082442.

It is not a de Polignac number, because 24428019 - 2¹ = 24428017 is a prime.

It is a super-2 number, since 2×24428019² = 1193456224528722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (24428017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5937 + ... + 9170.

It is an arithmetic number, because the mean of its divisors is an integer number (1722312).

Almost surely, 2^24428019 is an apocalyptic number.

24428019 is a deficient number, since it is larger than the sum of its proper divisors (16907469).

24428019 is a wasteful number, since it uses less digits than its factorization.

24428019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15135 (or 15128 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 24428019 is about 4942.4709407340. The cubic root of 24428019 is about 290.1545707894.

The spelling of 24428019 in words is "twenty-four million, four hundred twenty-eight thousand, nineteen".