402424306 has 8 divisors (see below), whose sum is σ = 639144540. Its totient is φ = 189376128.

The previous prime is 402424303. The next prime is 402424327. The reversal of 402424306 is 603424204.

It can be written as a sum of positive squares in 2 ways, for example, as 390418081 + 12006225 = 19759^2 + 3465^2 .

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

It is not an unprimeable number, because it can be changed into a prime (402424303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5917971 + ... + 5918038.

Almost surely, 2^402424306 is an apocalyptic number.

402424306 is a deficient number, since it is larger than the sum of its proper divisors (236720234).

402424306 is a wasteful number, since it uses less digits than its factorization.

402424306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11836028.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 402424306 is about 20060.5160950560. The cubic root of 402424306 is about 738.2918392005.

The spelling of 402424306 in words is "four hundred two million, four hundred twenty-four thousand, three hundred six".