3826789890 has 128 divisors (see below), whose sum is σ = 11472150528. Its totient is φ = 793678080.

The previous prime is 3826789853. The next prime is 3826789891. The reversal of 3826789890 is 989876283.

It is not an unprimeable number, because it can be changed into a prime (3826789891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1562647 + ... + 1565093.

It is an arithmetic number, because the mean of its divisors is an integer number (89626176).

Almost surely, 2^3826789890 is an apocalyptic number.

3826789890 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 3826789890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5736075264).

3826789890 is an abundant number, since it is smaller than the sum of its proper divisors (7645360638).

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

3826789890 is a wasteful number, since it uses less digits than its factorization.

3826789890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3152.

The product of its (nonzero) digits is 10450944, while the sum is 60.

The square root of 3826789890 is about 61861.0530948189. The cubic root of 3826789890 is about 1564.1493047701.

The spelling of 3826789890 in words is "three billion, eight hundred twenty-six million, seven hundred eighty-nine thousand, eight hundred ninety".