2373421 has 8 divisors (see below), whose sum is σ = 2532600. Its totient is φ = 2216448.

The previous prime is 2373409. The next prime is 2373431. The reversal of 2373421 is 1243732.

2373421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4900 + 2368521 = 70^2 + 1539^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2373421 is a prime.

It is a Duffinian number.

2373421 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2373392 and 2373401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2373401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2065 + ... + 3001.

It is an arithmetic number, because the mean of its divisors is an integer number (316575).

2^2373421 is an apocalyptic number.

It is an amenable number.

2373421 is a deficient number, since it is larger than the sum of its proper divisors (159179).

2373421 is a wasteful number, since it uses less digits than its factorization.

2373421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103.

The product of its digits is 1008, while the sum is 22.

The square root of 2373421 is about 1540.5911203171. The cubic root of 2373421 is about 133.3905081182.

The spelling of 2373421 in words is "two million, three hundred seventy-three thousand, four hundred twenty-one".