421363634 has 16 divisors (see below), whose sum is σ = 660166848. Its totient is φ = 201325872.

The previous prime is 421363571. The next prime is 421363651. The reversal of 421363634 is 436363124.

It is a self number, because there is not a number n which added to its sum of digits gives 421363634.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50744 + ... + 58460.

It is an arithmetic number, because the mean of its divisors is an integer number (41260428).

Almost surely, 2^421363634 is an apocalyptic number.

421363634 is a deficient number, since it is larger than the sum of its proper divisors (238803214).

421363634 is a wasteful number, since it uses less digits than its factorization.

421363634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8929.

The product of its digits is 31104, while the sum is 32.

The square root of 421363634 is about 20527.1438344452. The cubic root of 421363634 is about 749.6968457762.

The spelling of 421363634 in words is "four hundred twenty-one million, three hundred sixty-three thousand, six hundred thirty-four".