4209424 has 10 divisors (see below), whose sum is σ = 8155790. Its totient is φ = 2104704.

The previous prime is 4209407. The next prime is 4209451. The reversal of 4209424 is 4249024.

It can be written as a sum of positive squares in only one way, i.e., 3873024 + 336400 = 1968^2 + 580^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131529 + ... + 131560.

It is an arithmetic number, because the mean of its divisors is an integer number (815579).

Almost surely, 2^4209424 is an apocalyptic number.

It is an amenable number.

4209424 is a deficient number, since it is larger than the sum of its proper divisors (3946366).

4209424 is a wasteful number, since it uses less digits than its factorization.

4209424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263097 (or 263091 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 4209424 is about 2051.6880854555. The cubic root of 4209424 is about 161.4634486769.

The spelling of 4209424 in words is "four million, two hundred nine thousand, four hundred twenty-four".