421486 has 24 divisors (see below), whose sum is σ = 724680. Its totient is φ = 183456.

The previous prime is 421483. The next prime is 421493. The reversal of 421486 is 684124.

421486 is an esthetic number in base 4, because in such base its adjacent digits differ by 1.

It is a self number, because there is not a number n which added to its sum of digits gives 421486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421483) 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, 9781 + ... + 9823.

It is an arithmetic number, because the mean of its divisors is an integer number (30195).

2⁴²¹⁴⁸⁶ is an apocalyptic number.

421486 is a deficient number, since it is larger than the sum of its proper divisors (303194).

421486 is a wasteful number, since it uses less digits than its factorization.

421486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 87 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

The square root of 421486 is about 649.2195314376. The cubic root of 421486 is about 74.9769410593.

It can be divided in two parts, 4214 and 86, that multiplied together give a square (362404 = 602²).

The spelling of 421486 in words is "four hundred twenty-one thousand, four hundred eighty-six".