3850520688 has 120 divisors (see below), whose sum is σ = 12435458048. Its totient is φ = 1089438336.

The previous prime is 3850520671. The next prime is 3850520741. The reversal of 3850520688 is 8860250583.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85281 + ... + 122367.

Almost surely, 2^3850520688 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 3850520688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6217729024).

3850520688 is an abundant number, since it is smaller than the sum of its proper divisors (8584937360).

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

3850520688 is a wasteful number, since it uses less digits than its factorization.

3850520688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37211 (or 37202 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The square root of 3850520688 is about 62052.5639115742. The cubic root of 3850520688 is about 1567.3758600742.

The spelling of 3850520688 in words is "three billion, eight hundred fifty million, five hundred twenty thousand, six hundred eighty-eight".