3687822648 has 96 divisors (see below), whose sum is σ = 10882167600. Its totient is φ = 1156944384.

The previous prime is 3687822647. The next prime is 3687822659. The reversal of 3687822648 is 8462287863.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 3687822594 and 3687822603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3687822647) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32886 + ... + 91962.

Almost surely, 2^3687822648 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 3687822648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5441083800).

3687822648 is an abundant number, since it is smaller than the sum of its proper divisors (7194344952).

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

3687822648 is a wasteful number, since it uses less digits than its factorization.

3687822648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59126 (or 59099 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 54.

The square root of 3687822648 is about 60727.4455909352. The cubic root of 3687822648 is about 1544.9817096525.

The spelling of 3687822648 in words is "three billion, six hundred eighty-seven million, eight hundred twenty-two thousand, six hundred forty-eight".