421438883 has 2 divisors, whose sum is σ = 421438884. Its totient is φ = 421438882.

The previous prime is 421438873. The next prime is 421438909. The reversal of 421438883 is 388834124.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 421438883 - 2²⁸ = 153003427 is a prime.

It is a super-2 number, since 2×421438883² = 355221464208575378, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 421438883.

It is not a weakly prime, because it can be changed into another prime (421438873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210719441 + 210719442.

It is an arithmetic number, because the mean of its divisors is an integer number (210719442).

Almost surely, 2^421438883 is an apocalyptic number.

421438883 is a deficient number, since it is larger than the sum of its proper divisors (1).

421438883 is an equidigital number, since it uses as much as digits as its factorization.

421438883 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 147456, while the sum is 41.

The square root of 421438883 is about 20528.9766671405. The cubic root of 421438883 is about 749.7414711903.

The spelling of 421438883 in words is "four hundred twenty-one million, four hundred thirty-eight thousand, eight hundred eighty-three".