421695 has 12 divisors (see below), whose sum is σ = 731016. Its totient is φ = 224880.

The previous prime is 421691. The next prime is 421697. The reversal of 421695 is 596124.

It is not a de Polignac number, because 421695 - 2² = 421691 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421691) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4641 + ... + 4730.

It is an arithmetic number, because the mean of its divisors is an integer number (60918).

2⁴²¹⁶⁹⁵ is an apocalyptic number.

421695 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

421695 is a deficient number, since it is larger than the sum of its proper divisors (309321).

421695 is a wasteful number, since it uses less digits than its factorization.

421695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9382 (or 9379 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 421695 is about 649.3804739904. The cubic root of 421695 is about 74.9893318159.

The spelling of 421695 in words is "four hundred twenty-one thousand, six hundred ninety-five".