3888658 has 4 divisors (see below), whose sum is σ = 5832990. Its totient is φ = 1944328.

The previous prime is 3888653. The next prime is 3888683. The reversal of 3888658 is 8568883.

It is a happy number.

3888658 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8568883 = 97 ⋅88339.

It can be written as a sum of positive squares in only one way, i.e., 3374569 + 514089 = 1837^2 + 717^2 .

It is a super-2 number, since 2×3888658² = 30243322081928, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3888653) 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 as a sum of consecutive naturals, namely, 972163 + ... + 972166.

Almost surely, 2^3888658 is an apocalyptic number.

3888658 is a deficient number, since it is larger than the sum of its proper divisors (1944332).

3888658 is a wasteful number, since it uses less digits than its factorization.

3888658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1944331.

The product of its digits is 368640, while the sum is 46.

The square root of 3888658 is about 1971.9680524796. The cubic root of 3888658 is about 157.2533537686.

The spelling of 3888658 in words is "three million, eight hundred eighty-eight thousand, six hundred fifty-eight".