3693393646 has 4 divisors (see below), whose sum is σ = 5540090472. Its totient is φ = 1846696822.

The previous prime is 3693393643. The next prime is 3693393707. The reversal of 3693393646 is 6463933963.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 3693393593 and 3693393602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3693393643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 923348410 + ... + 923348413.

It is an arithmetic number, because the mean of its divisors is an integer number (1385022618).

Almost surely, 2^3693393646 is an apocalyptic number.

3693393646 is a deficient number, since it is larger than the sum of its proper divisors (1846696826).

3693393646 is a wasteful number, since it uses less digits than its factorization.

3693393646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1846696825.

The product of its digits is 5668704, while the sum is 52.

The square root of 3693393646 is about 60773.2971460328. The cubic root of 3693393646 is about 1545.7592921971.

The spelling of 3693393646 in words is "three billion, six hundred ninety-three million, three hundred ninety-three thousand, six hundred forty-six".