3891652 has 18 divisors (see below), whose sum is σ = 6943454. Its totient is φ = 1908480.

The previous prime is 3891593. The next prime is 3891659. The reversal of 3891652 is 2561983.

3891652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2903616 + 988036 = 1704^2 + 994^2 .

It is not an unprimeable number, because it can be changed into a prime (3891659) 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 in 5 ways as a sum of consecutive naturals, for example, 20068 + ... + 20260.

Almost surely, 2^3891652 is an apocalyptic number.

It is an amenable number.

3891652 is a deficient number, since it is larger than the sum of its proper divisors (3051802).

3891652 is a wasteful number, since it uses less digits than its factorization.

3891652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339 (or 266 counting only the distinct ones).

The product of its digits is 12960, while the sum is 34.

The square root of 3891652 is about 1972.7270465019. The cubic root of 3891652 is about 157.2937015150.

The spelling of 3891652 in words is "three million, eight hundred ninety-one thousand, six hundred fifty-two".