421293 has 8 divisors (see below), whose sum is σ = 564768. Its totient is φ = 279344.

The previous prime is 421279. The next prime is 421303. The reversal of 421293 is 392124.

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

It is a cyclic number.

It is not a de Polignac number, because 421293 - 2⁸ = 421037 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 730 + ... + 1172.

It is an arithmetic number, because the mean of its divisors is an integer number (70596).

2⁴²¹²⁹³ is an apocalyptic number.

It is an amenable number.

421293 is a deficient number, since it is larger than the sum of its proper divisors (143475).

421293 is a wasteful number, since it uses less digits than its factorization.

421293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763.

The product of its digits is 432, while the sum is 21.

The square root of 421293 is about 649.0708744043. The cubic root of 421293 is about 74.9654952392.

The spelling of 421293 in words is "four hundred twenty-one thousand, two hundred ninety-three".