3648990136 has 32 divisors (see below), whose sum is σ = 7622657280. Its totient is φ = 1623340000.

The previous prime is 3648990031. The next prime is 3648990151. The reversal of 3648990136 is 6310998463.

It is a self number, because there is not a number n which added to its sum of digits gives 3648990136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436990 + ... + 445261.

It is an arithmetic number, because the mean of its divisors is an integer number (238208040).

Almost surely, 2^3648990136 is an apocalyptic number.

It is an amenable number.

3648990136 is an abundant number, since it is smaller than the sum of its proper divisors (3973667144).

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

3648990136 is a wasteful number, since it uses less digits than its factorization.

3648990136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882315 (or 882311 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 49.

The square root of 3648990136 is about 60406.8715958706. The cubic root of 3648990136 is about 1539.5397140172.

The spelling of 3648990136 in words is "three billion, six hundred forty-eight million, nine hundred ninety thousand, one hundred thirty-six".