2398655 has 16 divisors (see below), whose sum is σ = 3463680. Its totient is φ = 1557792.

The previous prime is 2398637. The next prime is 2398657. The reversal of 2398655 is 5568932.

It is a cyclic number.

It is not a de Polignac number, because 2398655 - 2¹⁰ = 2397631 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 8 and base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2398657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1139 + ... + 2468.

It is an arithmetic number, because the mean of its divisors is an integer number (216480).

2^2398655 is an apocalyptic number.

2398655 is a deficient number, since it is larger than the sum of its proper divisors (1065025).

2398655 is a wasteful number, since it uses less digits than its factorization.

2398655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3638.

The product of its digits is 64800, while the sum is 38.

The square root of 2398655 is about 1548.7591807637. The cubic root of 2398655 is about 133.8615745840.

The spelling of 2398655 in words is "two million, three hundred ninety-eight thousand, six hundred fifty-five".