201403424 has 12 divisors (see below), whose sum is σ = 396513054. Its totient is φ = 100701696.

The previous prime is 201403417. The next prime is 201403427. The reversal of 201403424 is 424304102.

It can be written as a sum of positive squares in only one way, i.e., 199713424 + 1690000 = 14132^2 + 1300^2 .

It is a junction number, because it is equal to n+sod(n) for n = 201403396 and 201403405.

It is not an unprimeable number, because it can be changed into a prime (201403427) by changing a digit.

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, 3146897 + ... + 3146960.

Almost surely, 2^201403424 is an apocalyptic number.

It is an amenable number.

201403424 is a deficient number, since it is larger than the sum of its proper divisors (195109630).

201403424 is an equidigital number, since it uses as much as digits as its factorization.

201403424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6293867 (or 6293859 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 201403424 is about 14191.6674143668. The cubic root of 201403424 is about 586.1682394242.

Adding to 201403424 its reverse (424304102), we get a palindrome (625707526).

The spelling of 201403424 in words is "two hundred one million, four hundred three thousand, four hundred twenty-four".