201424 has 10 divisors (see below), whose sum is σ = 390290. Its totient is φ = 100704.

The previous prime is 201413. The next prime is 201437. The reversal of 201424 is 424102.

It can be written as a sum of positive squares in only one way, i.e., 129600 + 71824 = 360^2 + 268^2 .

It is a congruent number.

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, 6279 + ... + 6310.

It is an arithmetic number, because the mean of its divisors is an integer number (39029).

2²⁰¹⁴²⁴ is an apocalyptic number.

It is an amenable number.

201424 is a deficient number, since it is larger than the sum of its proper divisors (188866).

201424 is a wasteful number, since it uses less digits than its factorization.

201424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12597 (or 12591 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 201424 is about 448.8028520408. The cubic root of 201424 is about 58.6188200334.

Adding to 201424 its reverse (424102), we get a palindrome (625526).

It can be divided in two parts, 201 and 424, that added together give a 4-th power (625 = 5⁴).

The spelling of 201424 in words is "two hundred one thousand, four hundred twenty-four", and thus it is an iban number.