24494389 has 4 divisors (see below), whose sum is σ = 24618924. Its totient is φ = 24369856.

The previous prime is 24494387. The next prime is 24494411. The reversal of 24494389 is 98349442.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98349442 = 2 ⋅49174721.

It can be written as a sum of positive squares in 2 ways, for example, as 14190289 + 10304100 = 3767^2 + 3210^2 .

It is a cyclic number.

It is not a de Polignac number, because 24494389 - 2¹ = 24494387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24494387) 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 in 3 ways as a sum of consecutive naturals, for example, 61972 + ... + 62365.

It is an arithmetic number, because the mean of its divisors is an integer number (6154731).

Almost surely, 2^24494389 is an apocalyptic number.

It is an amenable number.

24494389 is a deficient number, since it is larger than the sum of its proper divisors (124535).

24494389 is a wasteful number, since it uses less digits than its factorization.

24494389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124534.

The product of its digits is 248832, while the sum is 43.

The square root of 24494389 is about 4949.1806392574. The cubic root of 24494389 is about 290.4171128107.

The spelling of 24494389 in words is "twenty-four million, four hundred ninety-four thousand, three hundred eighty-nine".