421313026 has 8 divisors (see below), whose sum is σ = 632182140. Its totient is φ = 210585648.

The previous prime is 421312999. The next prime is 421313051. The reversal of 421313026 is 620313124.

It can be written as a sum of positive squares in 2 ways, for example, as 415548225 + 5764801 = 20385^2 + 2401^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 421312988 and 421313006.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27661 + ... + 40096.

Almost surely, 2^421313026 is an apocalyptic number.

421313026 is a deficient number, since it is larger than the sum of its proper divisors (210869114).

421313026 is a wasteful number, since it uses less digits than its factorization.

421313026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70868.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 421313026 is about 20525.9110881832. The cubic root of 421313026 is about 749.6668303896. Note that the first 3 decimals are identical.

The spelling of 421313026 in words is "four hundred twenty-one million, three hundred thirteen thousand, twenty-six".