421358 has 8 divisors (see below), whose sum is σ = 722352. Its totient is φ = 180576.

The previous prime is 421349. The next prime is 421361. The reversal of 421358 is 853124.

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

It is an Ulam number.

It is a plaindrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 421358.

It is an unprimeable number.

421358 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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15035 + ... + 15062.

It is an arithmetic number, because the mean of its divisors is an integer number (90294).

2⁴²¹³⁵⁸ is an apocalyptic number.

421358 is a deficient number, since it is larger than the sum of its proper divisors (300994).

421358 is a wasteful number, since it uses less digits than its factorization.

421358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30106.

The product of its digits is 960, while the sum is 23.

The square root of 421358 is about 649.1209440466. The cubic root of 421358 is about 74.9693504394.

The spelling of 421358 in words is "four hundred twenty-one thousand, three hundred fifty-eight".