421348 has 6 divisors (see below), whose sum is σ = 737366. Its totient is φ = 210672.

The previous prime is 421339. The next prime is 421349. The reversal of 421348 is 843124.

It can be written as a sum of positive squares in only one way, i.e., 419904 + 1444 = 648^2 + 38^2 .

It is not an unprimeable number, because it can be changed into a prime (421349) by changing a digit.

421348 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 as a sum of consecutive naturals, namely, 52665 + ... + 52672.

2⁴²¹³⁴⁸ is an apocalyptic number.

It is an amenable number.

421348 is a deficient number, since it is larger than the sum of its proper divisors (316018).

421348 is a wasteful number, since it uses less digits than its factorization.

421348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105341 (or 105339 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 421348 is about 649.1132412761. The cubic root of 421348 is about 74.9687573575.

It can be divided in two parts, 42 and 1348, that multiplied together give a triangular number (56616 = T₃₃₆).

The spelling of 421348 in words is "four hundred twenty-one thousand, three hundred forty-eight".