2421318 has 8 divisors (see below), whose sum is σ = 4842648. Its totient is φ = 807104.

The previous prime is 2421311. The next prime is 2421319. The reversal of 2421318 is 8131242.

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

2421318 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2421294 and 2421303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421311) 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, 201771 + ... + 201782.

It is an arithmetic number, because the mean of its divisors is an integer number (605331).

2^2421318 is an apocalyptic number.

2421318 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2421318 is a wasteful number, since it uses less digits than its factorization.

2421318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403558.

The product of its digits is 384, while the sum is 21.

The square root of 2421318 is about 1556.0584821915. The cubic root of 2421318 is about 134.2818379316.

The spelling of 2421318 in words is "two million, four hundred twenty-one thousand, three hundred eighteen".