424030402 has 8 divisors (see below), whose sum is σ = 657978300. Its totient is φ = 204704304.

The previous prime is 424030393. The next prime is 424030403. The reversal of 424030402 is 204030424.

It can be written as a sum of positive squares in 2 ways, for example, as 406465921 + 17564481 = 20161^2 + 4191^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 424030402.

It is not an unprimeable number, because it can be changed into a prime (424030403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3655377 + ... + 3655492.

Almost surely, 2^424030402 is an apocalyptic number.

424030402 is a deficient number, since it is larger than the sum of its proper divisors (233947898).

424030402 is a wasteful number, since it uses less digits than its factorization.

424030402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7310900.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 424030402 is about 20591.9984945609. The cubic root of 424030402 is about 751.2751061697.

Adding to 424030402 its reverse (204030424), we get a palindrome (628060826).

The spelling of 424030402 in words is "four hundred twenty-four million, thirty thousand, four hundred two".