3898622670 has 64 divisors (see below), whose sum is σ = 9499610880. Its totient is φ = 1023798528.

The previous prime is 3898622657. The next prime is 3898622803. The reversal of 3898622670 is 762268983.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2230737 + ... + 2232483.

It is an arithmetic number, because the mean of its divisors is an integer number (148431420).

Almost surely, 2^3898622670 is an apocalyptic number.

3898622670 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3898622670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4749805440).

3898622670 is an abundant number, since it is smaller than the sum of its proper divisors (5600988210).

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

3898622670 is a wasteful number, since it uses less digits than its factorization.

3898622670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2849.

The product of its (nonzero) digits is 1741824, while the sum is 51.

The square root of 3898622670 is about 62438.9515446888. The cubic root of 3898622670 is about 1573.8755955553.

The spelling of 3898622670 in words is "three billion, eight hundred ninety-eight million, six hundred twenty-two thousand, six hundred seventy".