3695866624 has 144 divisors (see below), whose sum is σ = 8121057280. Its totient is φ = 1672151040.

The previous prime is 3695866609. The next prime is 3695866631. The reversal of 3695866624 is 4266685963.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19149472 + ... + 19149664.

Almost surely, 2^3695866624 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3695866624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4060528640).

3695866624 is an abundant number, since it is smaller than the sum of its proper divisors (4425190656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3695866624 is a wasteful number, since it uses less digits than its factorization.

3695866624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386 (or 372 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 55.

The square root of 3695866624 is about 60793.6396673205. The cubic root of 3695866624 is about 1546.1042121846.

The spelling of 3695866624 in words is "three billion, six hundred ninety-five million, eight hundred sixty-six thousand, six hundred twenty-four".