2398636 has 24 divisors (see below), whose sum is σ = 4543280. Its totient is φ = 1104192.

The previous prime is 2398633. The next prime is 2398637. The reversal of 2398636 is 6368932.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 2398595 and 2398604.

It is not an unprimeable number, because it can be changed into a prime (2398633) 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, 2386 + ... + 3238.

2^2398636 is an apocalyptic number.

It is an amenable number.

2398636 is a deficient number, since it is larger than the sum of its proper divisors (2144644).

2398636 is a wasteful number, since it uses less digits than its factorization.

2398636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913 (or 911 counting only the distinct ones).

The product of its digits is 46656, while the sum is 37.

The square root of 2398636 is about 1548.7530468089. The cubic root of 2398636 is about 133.8612211392.

The spelling of 2398636 in words is "two million, three hundred ninety-eight thousand, six hundred thirty-six".