2386021 has 4 divisors (see below), whose sum is σ = 2602944. Its totient is φ = 2169100.

The previous prime is 2386009. The next prime is 2386031. The reversal of 2386021 is 1206832.

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 2386021 - 2⁵ = 2385989 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a pancake number, because a pancake can be divided into 2386021 parts by 2184 straight cuts.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2385983 and 2386001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2386031) 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, 108445 + ... + 108466.

It is an arithmetic number, because the mean of its divisors is an integer number (650736).

2^2386021 is an apocalyptic number.

It is an amenable number.

2386021 is a deficient number, since it is larger than the sum of its proper divisors (216923).

2386021 is a wasteful number, since it uses less digits than its factorization.

2386021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216922.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 2386021 is about 1544.6750467331. The cubic root of 2386021 is about 133.6261391538.

The spelling of 2386021 in words is "two million, three hundred eighty-six thousand, twenty-one".