3886730 has 8 divisors (see below), whose sum is σ = 6996132. Its totient is φ = 1554688.

The previous prime is 3886723. The next prime is 3886733. The reversal of 3886730 is 376883.

It can be written as a sum of positive squares in 2 ways, for example, as 3845521 + 41209 = 1961^2 + 203^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3886733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194327 + ... + 194346.

Almost surely, 2^3886730 is an apocalyptic number.

3886730 is a deficient number, since it is larger than the sum of its proper divisors (3109402).

3886730 is a wasteful number, since it uses less digits than its factorization.

3886730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388680.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 3886730 is about 1971.4791401382. The cubic root of 3886730 is about 157.2273606894.

It can be divided in two parts, 38 and 86730, that added together give a palindrome (86768).

The spelling of 3886730 in words is "three million, eight hundred eighty-six thousand, seven hundred thirty".