3861700 has 54 divisors (see below), whose sum is σ = 8880074. Its totient is φ = 1457280.

The previous prime is 3861659. The next prime is 3861709. The reversal of 3861700 is 71683.

It can be written as a sum of positive squares in 3 ways, for example, as 304704 + 3556996 = 552^2 + 1886^2 .

It is a super-3 number, since 3×3861700³ (a number of 21 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (3861709) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 52864 + ... + 52936.

Almost surely, 2^3861700 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3861700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4440037).

3861700 is an abundant number, since it is smaller than the sum of its proper divisors (5018374).

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

3861700 is a wasteful number, since it uses less digits than its factorization.

3861700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 3861700 is about 1965.1208614230. The cubic root of 3861700 is about 156.8891261492.

The spelling of 3861700 in words is "three million, eight hundred sixty-one thousand, seven hundred".