3695699844 has 180 divisors, whose sum is σ = 10261574400. Its totient is φ = 1158585120.

The previous prime is 3695699771. The next prime is 3695699893. The reversal of 3695699844 is 4489965963.

3695699844 is a `hidden beast` number, since 3 + 69 + 569 + 9 + 8 + 4 + 4 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 18571257 + ... + 18571455.

Almost surely, 2^3695699844 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 3695699844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5130787200).

3695699844 is an abundant number, since it is smaller than the sum of its proper divisors (6565874556).

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

3695699844 is a wasteful number, since it uses less digits than its factorization.

3695699844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332 (or 278 counting only the distinct ones).

The product of its digits is 50388480, while the sum is 63.

The square root of 3695699844 is about 60792.2679622993. The cubic root of 3695699844 is about 1546.0809552902.

The spelling of 3695699844 in words is "three billion, six hundred ninety-five million, six hundred ninety-nine thousand, eight hundred forty-four".