2421307 has 8 divisors (see below), whose sum is σ = 2783232. Its totient is φ = 2063400.

The previous prime is 2421283. The next prime is 2421311. The reversal of 2421307 is 7031242.

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

It is a cyclic number.

It is not a de Polignac number, because 2421307 - 2¹¹ = 2419259 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 4⁷ + 2²¹ + 1 + 3¹⁰ + 0 + 7⁶ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2421347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432 + ... + 2242.

It is an arithmetic number, because the mean of its divisors is an integer number (347904).

2^2421307 is an apocalyptic number.

2421307 is a deficient number, since it is larger than the sum of its proper divisors (361925).

2421307 is a wasteful number, since it uses less digits than its factorization.

2421307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2009.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 2421307 is about 1556.0549476159. The cubic root of 2421307 is about 134.2816345847.

Adding to 2421307 its reverse (7031242), we get a palindrome (9452549).

The spelling of 2421307 in words is "two million, four hundred twenty-one thousand, three hundred seven".