402341867 has 2 divisors, whose sum is σ = 402341868. Its totient is φ = 402341866.

The previous prime is 402341861. The next prime is 402341887. The reversal of 402341867 is 768143204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402341867 - 2⁴ = 402341851 is a prime.

It is a super-3 number, since 3×402341867³ (a number of 27 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (402341861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201170933 + 201170934.

It is an arithmetic number, because the mean of its divisors is an integer number (201170934).

Almost surely, 2^402341867 is an apocalyptic number.

402341867 is a deficient number, since it is larger than the sum of its proper divisors (1).

402341867 is an equidigital number, since it uses as much as digits as its factorization.

402341867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 402341867 is about 20058.4612321085. The cubic root of 402341867 is about 738.2414212737.

The spelling of 402341867 in words is "four hundred two million, three hundred forty-one thousand, eight hundred sixty-seven".