3887730 has 192 divisors, whose sum is σ = 13789440. Its totient is φ = 760320.

The previous prime is 3887707. The next prime is 3887731. The reversal of 3887730 is 377883.

It is a super-2 number, since 2×3887730² = 30228889105800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3887731) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 228682 + ... + 228698.

It is an arithmetic number, because the mean of its divisors is an integer number (71820).

Almost surely, 2^3887730 is an apocalyptic number.

3887730 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 3887730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6894720).

3887730 is an abundant number, since it is smaller than the sum of its proper divisors (9901710).

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

3887730 is a wasteful number, since it uses less digits than its factorization.

3887730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62 (or 45 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 3887730 is about 1971.7327405102. The cubic root of 3887730 is about 157.2408436497.

It can be divided in two parts, 388 and 7730, that added together give a palindrome (8118).

The spelling of 3887730 in words is "three million, eight hundred eighty-seven thousand, seven hundred thirty".