367421 has 4 divisors (see below), whose sum is σ = 389052. Its totient is φ = 345792.

The previous prime is 367397. The next prime is 367427. The reversal of 367421 is 124763.

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

It can be written as a sum of positive squares in 2 ways, for example, as 343396 + 24025 = 586^2 + 155^2 .

It is a cyclic number.

It is not a de Polignac number, because 367421 - 2⁶ = 367357 is a prime.

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 367421.

It is not an unprimeable number, because it can be changed into a prime (367427) 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, 10790 + ... + 10823.

It is an arithmetic number, because the mean of its divisors is an integer number (97263).

2³⁶⁷⁴²¹ is an apocalyptic number.

It is an amenable number.

367421 is a deficient number, since it is larger than the sum of its proper divisors (21631).

367421 is a wasteful number, since it uses less digits than its factorization.

367421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21630.

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

The square root of 367421 is about 606.1526210452. The cubic root of 367421 is about 71.6233546359.

The spelling of 367421 in words is "three hundred sixty-seven thousand, four hundred twenty-one".