421350434 has 8 divisors (see below), whose sum is σ = 633346560. Its totient is φ = 210234916.

The previous prime is 421350383. The next prime is 421350451. The reversal of 421350434 is 434053124.

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

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, 218954 + ... + 220869.

It is an arithmetic number, because the mean of its divisors is an integer number (79168320).

Almost surely, 2^421350434 is an apocalyptic number.

421350434 is a deficient number, since it is larger than the sum of its proper divisors (211996126).

421350434 is a wasteful number, since it uses less digits than its factorization.

421350434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440304.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 421350434 is about 20526.8223064360. The cubic root of 421350434 is about 749.6890171448.

The spelling of 421350434 in words is "four hundred twenty-one million, three hundred fifty thousand, four hundred thirty-four".