421367 has 4 divisors (see below), whose sum is σ = 423576. Its totient is φ = 419160.

The previous prime is 421361. The next prime is 421381. The reversal of 421367 is 763124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 421367 - 2⁶ = 421303 is a prime.

It is a d-powerful number, because it can be written as 4⁶ + 2 + 3⁹ + 1 + 6⁷ + 7⁶ .

It is a Duffinian number.

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 421367.

It is not an unprimeable number, because it can be changed into a prime (421361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 788 + ... + 1209.

It is an arithmetic number, because the mean of its divisors is an integer number (105894).

2⁴²¹³⁶⁷ is an apocalyptic number.

421367 is a deficient number, since it is larger than the sum of its proper divisors (2209).

421367 is a wasteful number, since it uses less digits than its factorization.

421367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2208.

The product of its digits is 1008, while the sum is 23.

The square root of 421367 is about 649.1278764619. The cubic root of 421367 is about 74.9698842051.

The spelling of 421367 in words is "four hundred twenty-one thousand, three hundred sixty-seven".