3648936398 has 8 divisors (see below), whose sum is σ = 5600693208. Its totient is φ = 1782038664.

The previous prime is 3648936391. The next prime is 3648936433. The reversal of 3648936398 is 8936398463.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3648936391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21214661 + ... + 21214832.

It is an arithmetic number, because the mean of its divisors is an integer number (700086651).

Almost surely, 2^3648936398 is an apocalyptic number.

3648936398 is a deficient number, since it is larger than the sum of its proper divisors (1951756810).

3648936398 is a wasteful number, since it uses less digits than its factorization.

3648936398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42429538.

The product of its digits is 20155392, while the sum is 59.

The square root of 3648936398 is about 60406.4267938437. The cubic root of 3648936398 is about 1539.5321564750.

The spelling of 3648936398 in words is "three billion, six hundred forty-eight million, nine hundred thirty-six thousand, three hundred ninety-eight".