2386421 has 4 divisors (see below), whose sum is σ = 2408832. Its totient is φ = 2364012.

The previous prime is 2386399. The next prime is 2386429. The reversal of 2386421 is 1246832.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2386421 - 2¹⁴ = 2370037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2386429) 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, 11045 + ... + 11258.

It is an arithmetic number, because the mean of its divisors is an integer number (602208).

2^2386421 is an apocalyptic number.

It is an amenable number.

2386421 is a deficient number, since it is larger than the sum of its proper divisors (22411).

2386421 is a wasteful number, since it uses less digits than its factorization.

2386421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22410.

The product of its digits is 2304, while the sum is 26.

The square root of 2386421 is about 1544.8045183776. The cubic root of 2386421 is about 133.6336059041.

The spelling of 2386421 in words is "two million, three hundred eighty-six thousand, four hundred twenty-one".