3849963780 has 192 divisors, whose sum is σ = 12125030400. Its totient is φ = 906301440.

The previous prime is 3849963743. The next prime is 3849963797. The reversal of 3849963780 is 873699483.

It is a happy number.

It is a super-2 number, since 2×3849963780² = 29644442214623776800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3849963780.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2151126 + ... + 2152914.

It is an arithmetic number, because the mean of its divisors is an integer number (63151200).

Almost surely, 2^3849963780 is an apocalyptic number.

3849963780 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3849963780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6062515200).

3849963780 is an abundant number, since it is smaller than the sum of its proper divisors (8275066620).

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

3849963780 is a wasteful number, since it uses less digits than its factorization.

3849963780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1934 (or 1932 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 57.

The square root of 3849963780 is about 62048.0763601902. The cubic root of 3849963780 is about 1567.3002922647.

The spelling of 3849963780 in words is "three billion, eight hundred forty-nine million, nine hundred sixty-three thousand, seven hundred eighty".