402844067 has 2 divisors, whose sum is σ = 402844068. Its totient is φ = 402844066.

The previous prime is 402844033. The next prime is 402844093. The reversal of 402844067 is 760448204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 402844067 - 2¹⁰ = 402843043 is a prime.

It is equal to p_21479741 and since 402844067 and 21479741 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (402844867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201422033 + 201422034.

It is an arithmetic number, because the mean of its divisors is an integer number (201422034).

Almost surely, 2^402844067 is an apocalyptic number.

402844067 is a deficient number, since it is larger than the sum of its proper divisors (1).

402844067 is an equidigital number, since it uses as much as digits as its factorization.

402844067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43008, while the sum is 35.

The square root of 402844067 is about 20070.9757361220. The cubic root of 402844067 is about 738.5484493059.

The spelling of 402844067 in words is "four hundred two million, eight hundred forty-four thousand, sixty-seven".