421682303 has 8 divisors (see below), whose sum is σ = 494947872. Its totient is φ = 351673056.

The previous prime is 421682281. The next prime is 421682311. The reversal of 421682303 is 303286124.

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

It is not a de Polignac number, because 421682303 - 2⁸ = 421682047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421682353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 813800 + ... + 814317.

It is an arithmetic number, because the mean of its divisors is an integer number (61868484).

Almost surely, 2^421682303 is an apocalyptic number.

421682303 is a deficient number, since it is larger than the sum of its proper divisors (73265569).

421682303 is a wasteful number, since it uses less digits than its factorization.

421682303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1628161.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 421682303 is about 20534.9045042825. The cubic root of 421682303 is about 749.8857917947.

The spelling of 421682303 in words is "four hundred twenty-one million, six hundred eighty-two thousand, three hundred three".