2636398 has 16 divisors (see below), whose sum is σ = 4240800. Its totient is φ = 1226016.

The previous prime is 2636369. The next prime is 2636401. The reversal of 2636398 is 8936362.

It is a happy number.

2636398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 928 + ... + 2476.

It is an arithmetic number, because the mean of its divisors is an integer number (265050).

2^2636398 is an apocalyptic number.

2636398 is a deficient number, since it is larger than the sum of its proper divisors (1604402).

2636398 is a wasteful number, since it uses less digits than its factorization.

2636398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1611.

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

The square root of 2636398 is about 1623.6988637060. The cubic root of 2636398 is about 138.1455790608.

The spelling of 2636398 in words is "two million, six hundred thirty-six thousand, three hundred ninety-eight".