3698240656 has 160 divisors (see below), whose sum is σ = 8787937536. Its totient is φ = 1486848000.

The previous prime is 3698240641. The next prime is 3698240669. The reversal of 3698240656 is 6560428963.

3698240656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4197336 + ... + 4198216.

Almost surely, 2^3698240656 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 3698240656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4393968768).

3698240656 is an abundant number, since it is smaller than the sum of its proper divisors (5089696880).

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

3698240656 is a wasteful number, since it uses less digits than its factorization.

3698240656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001 (or 995 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 49.

The square root of 3698240656 is about 60813.1618648463. The cubic root of 3698240656 is about 1546.4351869027.

The spelling of 3698240656 in words is "three billion, six hundred ninety-eight million, two hundred forty thousand, six hundred fifty-six".