3636398 has 4 divisors (see below), whose sum is σ = 5454600. Its totient is φ = 1818198.

The previous prime is 3636389. The next prime is 3636401. The reversal of 3636398 is 8936363.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8936363 = 463 ⋅19301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 909098 + ... + 909101.

It is an arithmetic number, because the mean of its divisors is an integer number (1363650).

Almost surely, 2^3636398 is an apocalyptic number.

3636398 is a deficient number, since it is larger than the sum of its proper divisors (1818202).

3636398 is a wasteful number, since it uses less digits than its factorization.

3636398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818201.

The product of its digits is 69984, while the sum is 38.

The square root of 3636398 is about 1906.9341886914. The cubic root of 3636398 is about 153.7766763592.

The spelling of 3636398 in words is "three million, six hundred thirty-six thousand, three hundred ninety-eight".