4890636860 has 48 divisors (see below), whose sum is σ = 10972295040. Its totient is φ = 1825623360.

The previous prime is 4890636853. The next prime is 4890636913. The reversal of 4890636860 is 686360984.

It is a junction number, because it is equal to n+sod(n) for n = 4890636799 and 4890636808.

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 15 ways as a sum of consecutive naturals, for example, 70586 + ... + 121505.

It is an arithmetic number, because the mean of its divisors is an integer number (228589480).

Almost surely, 2^4890636860 is an apocalyptic number.

It is an amenable number.

4890636860 is an abundant number, since it is smaller than the sum of its proper divisors (6081658180).

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

4890636860 is a wasteful number, since it uses less digits than its factorization.

4890636860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192186 (or 192184 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 50.

The square root of 4890636860 is about 69933.0884488881. The cubic root of 4890636860 is about 1697.4167062128.

The spelling of 4890636860 in words is "four billion, eight hundred ninety million, six hundred thirty-six thousand, eight hundred sixty".