3690648880 has 20 divisors (see below), whose sum is σ = 8580758832. Its totient is φ = 1476259520.

The previous prime is 3690648877. The next prime is 3690648883. The reversal of 3690648880 is 888460963.

It is an interprime number because it is at equal distance from previous prime (3690648877) and next prime (3690648883).

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (3690648883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23066476 + ... + 23066635.

Almost surely, 2^3690648880 is an apocalyptic number.

It is an amenable number.

3690648880 is an abundant number, since it is smaller than the sum of its proper divisors (4890109952).

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

3690648880 is a wasteful number, since it uses less digits than its factorization.

3690648880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46133124 (or 46133118 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 52.

The square root of 3690648880 is about 60750.7109423421. The cubic root of 3690648880 is about 1545.3762841024.

The spelling of 3690648880 in words is "three billion, six hundred ninety million, six hundred forty-eight thousand, eight hundred eighty".