3694243840 has 208 divisors, whose sum is σ = 10299428928. Its totient is φ = 1245708288.

The previous prime is 3694243811. The next prime is 3694243843. The reversal of 3694243840 is 483424963.

It is not an unprimeable number, because it can be changed into a prime (3694243843) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 10465104 + ... + 10465456.

Almost surely, 2^3694243840 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 3694243840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5149714464).

3694243840 is an abundant number, since it is smaller than the sum of its proper divisors (6605185088).

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

3694243840 is an equidigital number, since it uses as much as digits as its factorization.

3694243840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462 (or 440 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 43.

The square root of 3694243840 is about 60780.2915425716. The cubic root of 3694243840 is about 1545.8778908424.

The spelling of 3694243840 in words is "three billion, six hundred ninety-four million, two hundred forty-three thousand, eight hundred forty".