421364026 has 16 divisors (see below), whose sum is σ = 688255200. Its totient is φ = 192710448.

The previous prime is 421363981. The next prime is 421364063. The reversal of 421364026 is 620463124.

It is a junction number, because it is equal to n+sod(n) for n = 421363985 and 421364003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190080 + ... + 192283.

It is an arithmetic number, because the mean of its divisors is an integer number (43015950).

Almost surely, 2^421364026 is an apocalyptic number.

421364026 is a deficient number, since it is larger than the sum of its proper divisors (266891174).

421364026 is a wasteful number, since it uses less digits than its factorization.

421364026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382413.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 421364026 is about 20527.1533827757. The cubic root of 421364026 is about 749.6970782603.

The spelling of 421364026 in words is "four hundred twenty-one million, three hundred sixty-four thousand, twenty-six".