2398213 has 8 divisors (see below), whose sum is σ = 2542680. Its totient is φ = 2257920.

The previous prime is 2398211. The next prime is 2398223. The reversal of 2398213 is 3128932.

It can be written as a sum of positive squares in 4 ways, for example, as 228484 + 2169729 = 478^2 + 1473^2 .

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 2398213 - 2¹ = 2398211 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 (2398211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181 + ... + 2197.

It is an arithmetic number, because the mean of its divisors is an integer number (317835).

2^2398213 is an apocalyptic number.

It is an amenable number.

2398213 is a deficient number, since it is larger than the sum of its proper divisors (144467).

2398213 is a wasteful number, since it uses less digits than its factorization.

2398213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2087.

The product of its digits is 2592, while the sum is 28.

The square root of 2398213 is about 1548.6164793131. The cubic root of 2398213 is about 133.8533518577.

The spelling of 2398213 in words is "two million, three hundred ninety-eight thousand, two hundred thirteen".