421008926 has 8 divisors (see below), whose sum is σ = 680091384. Its totient is φ = 194311800.

The previous prime is 421008881. The next prime is 421008949. The reversal of 421008926 is 629800124.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 421008892 and 421008901.

It is a congruent number.

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, 8096300 + ... + 8096351.

It is an arithmetic number, because the mean of its divisors is an integer number (85011423).

Almost surely, 2^421008926 is an apocalyptic number.

421008926 is a deficient number, since it is larger than the sum of its proper divisors (259082458).

421008926 is a wasteful number, since it uses less digits than its factorization.

421008926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16192666.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 421008926 is about 20518.5020408411. The cubic root of 421008926 is about 749.4864193565.

The spelling of 421008926 in words is "four hundred twenty-one million, eight thousand, nine hundred twenty-six".