421702 has 16 divisors (see below), whose sum is σ = 682560. Its totient is φ = 194688.

The previous prime is 421699. The next prime is 421703. The reversal of 421702 is 207124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2608 + ... + 2764.

It is an arithmetic number, because the mean of its divisors is an integer number (42660).

2⁴²¹⁷⁰² is an apocalyptic number.

421702 is a deficient number, since it is larger than the sum of its proper divisors (260858).

421702 is a wasteful number, since it uses less digits than its factorization.

421702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 421702 is about 649.3858637205. The cubic root of 421702 is about 74.9897467465.

Adding to 421702 its reverse (207124), we get a palindrome (628826).

The spelling of 421702 in words is "four hundred twenty-one thousand, seven hundred two", and thus it is an iban number.