3868436730 has 64 divisors (see below), whose sum is σ = 9623318400. Its totient is φ = 994049280.

The previous prime is 3868436713. The next prime is 3868436771. The reversal of 3868436730 is 376348683.

It is a self number, because there is not a number n which added to its sum of digits gives 3868436730.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 466561 + ... + 474779.

It is an arithmetic number, because the mean of its divisors is an integer number (150364350).

Almost surely, 2^3868436730 is an apocalyptic number.

3868436730 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 3868436730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4811659200).

3868436730 is an abundant number, since it is smaller than the sum of its proper divisors (5754881670).

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

3868436730 is a wasteful number, since it uses less digits than its factorization.

3868436730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8799.

The product of its (nonzero) digits is 1741824, while the sum is 48.

The square root of 3868436730 is about 62196.7581952629. The cubic root of 3868436730 is about 1569.8030410014.

The spelling of 3868436730 in words is "three billion, eight hundred sixty-eight million, four hundred thirty-six thousand, seven hundred thirty".