402344363 has 2 divisors, whose sum is σ = 402344364. Its totient is φ = 402344362.

The previous prime is 402344351. The next prime is 402344387. The reversal of 402344363 is 363443204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402344363 - 2¹⁴ = 402327979 is a prime.

It is not a weakly prime, because it can be changed into another prime (402344563) by changing a digit.

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 as a sum of consecutive naturals, namely, 201172181 + 201172182.

It is an arithmetic number, because the mean of its divisors is an integer number (201172182).

Almost surely, 2^402344363 is an apocalyptic number.

402344363 is a deficient number, since it is larger than the sum of its proper divisors (1).

402344363 is an equidigital number, since it uses as much as digits as its factorization.

402344363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 29.

The square root of 402344363 is about 20058.5234501446. The cubic root of 402344363 is about 738.2429478750.

Adding to 402344363 its reverse (363443204), we get a palindrome (765787567).

The spelling of 402344363 in words is "four hundred two million, three hundred forty-four thousand, three hundred sixty-three".