948421 has 4 divisors (see below), whose sum is σ = 974092. Its totient is φ = 922752.

The previous prime is 948407. The next prime is 948427. The reversal of 948421 is 124849.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 124849 = 19 ⋅6571.

It can be written as a sum of positive squares in 2 ways, for example, as 617796 + 330625 = 786^2 + 575^2 .

It is a cyclic number.

It is not a de Polignac number, because 948421 - 2⁷ = 948293 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 948421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (948427) 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 3 ways as a sum of consecutive naturals, for example, 12780 + ... + 12853.

It is an arithmetic number, because the mean of its divisors is an integer number (243523).

2⁹⁴⁸⁴²¹ is an apocalyptic number.

It is an amenable number.

948421 is a deficient number, since it is larger than the sum of its proper divisors (25671).

948421 is a wasteful number, since it uses less digits than its factorization.

948421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25670.

The product of its digits is 2304, while the sum is 28.

The square root of 948421 is about 973.8690877115. The cubic root of 948421 is about 98.2502627613.

It can be divided in two parts, 948 and 421, that added together give a square (1369 = 37²).

The spelling of 948421 in words is "nine hundred forty-eight thousand, four hundred twenty-one".