421298 has 8 divisors (see below), whose sum is σ = 634908. Its totient is φ = 209664.

The previous prime is 421279. The next prime is 421303. The reversal of 421298 is 892124.

It can be written as a sum of positive squares in 2 ways, for example, as 344569 + 76729 = 587^2 + 277^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable 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 in 3 ways as a sum of consecutive naturals, for example, 290 + ... + 962.

2⁴²¹²⁹⁸ is an apocalyptic number.

421298 is a deficient number, since it is larger than the sum of its proper divisors (213610).

421298 is a wasteful number, since it uses less digits than its factorization.

421298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988.

The product of its digits is 1152, while the sum is 26.

The square root of 421298 is about 649.0747260524. The cubic root of 421298 is about 74.9657918071.

The spelling of 421298 in words is "four hundred twenty-one thousand, two hundred ninety-eight".