3888883890 has 48 divisors (see below), whose sum is σ = 10384379928. Its totient is φ = 1009006848.

The previous prime is 3888883871. The next prime is 3888883897. The reversal of 3888883890 is 983888883.

It can be written as a sum of positive squares in 4 ways, for example, as 3369454209 + 519429681 = 58047^2 + 22791^2 .

It is not an unprimeable number, because it can be changed into a prime (3888883897) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 580587 + ... + 587246.

Almost surely, 2^3888883890 is an apocalyptic number.

3888883890 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3888883890 is an abundant number, since it is smaller than the sum of its proper divisors (6495496038).

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

3888883890 is a wasteful number, since it uses less digits than its factorization.

3888883890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167883 (or 1167880 counting only the distinct ones).

The product of its (nonzero) digits is 21233664, while the sum is 63.

The square root of 3888883890 is about 62360.9163659419. The cubic root of 3888883890 is about 1572.5639862987.

It can be divided in two parts, 3888 and 883890, that added together give a triangular number (887778 = T₁₃₃₂).

The spelling of 3888883890 in words is "three billion, eight hundred eighty-eight million, eight hundred eighty-three thousand, eight hundred ninety".