3695863860 has 72 divisors (see below), whose sum is σ = 12073162920. Its totient is φ = 909750528.

The previous prime is 3695863837. The next prime is 3695863883. The reversal of 3695863860 is 683685963.

It is an interprime number because it is at equal distance from previous prime (3695863837) and next prime (3695863883).

It can be written as a sum of positive squares in 4 ways, for example, as 37307664 + 3658556196 = 6108^2 + 60486^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3695863797 and 3695863806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 787375 + ... + 792054.

Almost surely, 2^3695863860 is an apocalyptic number.

3695863860 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3695863860 is an abundant number, since it is smaller than the sum of its proper divisors (8377299060).

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

3695863860 is a wasteful number, since it uses less digits than its factorization.

3695863860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1579457 (or 1579452 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The square root of 3695863860 is about 60793.6169346750. The cubic root of 3695863860 is about 1546.1038267600.

The spelling of 3695863860 in words is "three billion, six hundred ninety-five million, eight hundred sixty-three thousand, eight hundred sixty".