3890328640 has 56 divisors (see below), whose sum is σ = 10106021952. Its totient is φ = 1414663680.

The previous prime is 3890328593. The next prime is 3890328653. The reversal of 3890328640 is 468230983.

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, 549084 + ... + 556123.

Almost surely, 2^3890328640 is an apocalyptic number.

It is an amenable number.

3890328640 is an abundant number, since it is smaller than the sum of its proper divisors (6215693312).

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

3890328640 is a wasteful number, since it uses less digits than its factorization.

3890328640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105235 (or 1105225 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 3890328640 is about 62372.4990680989. The cubic root of 3890328640 is about 1572.7587020227.

The spelling of 3890328640 in words is "three billion, eight hundred ninety million, three hundred twenty-eight thousand, six hundred forty".