3648631528 has 64 divisors (see below), whose sum is σ = 7502362560. Its totient is φ = 1656646656.

The previous prime is 3648631523. The next prime is 3648631537. The reversal of 3648631528 is 8251368463.

It is a super-2 number, since 2×3648631528² = 26625024054231229568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3648631523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 481626 + ... + 489142.

It is an arithmetic number, because the mean of its divisors is an integer number (117224415).

Almost surely, 2^3648631528 is an apocalyptic number.

It is an amenable number.

3648631528 is an abundant number, since it is smaller than the sum of its proper divisors (3853731032).

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

3648631528 is a wasteful number, since it uses less digits than its factorization.

3648631528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7666 (or 7662 counting only the distinct ones).

The product of its digits is 829440, while the sum is 46.

The square root of 3648631528 is about 60403.9032513628. The cubic root of 3648631528 is about 1539.4892791184.

The spelling of 3648631528 in words is "three billion, six hundred forty-eight million, six hundred thirty-one thousand, five hundred twenty-eight".