402304234 has 8 divisors (see below), whose sum is σ = 606945060. Its totient is φ = 199989216.

The previous prime is 402304213. The next prime is 402304249. The reversal of 402304234 is 432403204.

It can be written as a sum of positive squares in 2 ways, for example, as 398122209 + 4182025 = 19953^2 + 2045^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 581019 + ... + 581710.

Almost surely, 2^402304234 is an apocalyptic number.

402304234 is a deficient number, since it is larger than the sum of its proper divisors (204640826).

402304234 is a wasteful number, since it uses less digits than its factorization.

402304234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162904.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 402304234 is about 20057.5231272458. The cubic root of 402304234 is about 738.2184034474.

Adding to 402304234 its reverse (432403204), we get a palindrome (834707438).

The spelling of 402304234 in words is "four hundred two million, three hundred four thousand, two hundred thirty-four".