3855964 has 12 divisors (see below), whose sum is σ = 7711984. Its totient is φ = 1652544.

The previous prime is 3855961. The next prime is 3855967. The reversal of 3855964 is 4695583.

It is an interprime number because it is at equal distance from previous prime (3855961) and next prime (3855967).

3855964 is an admirable number.

It is an Ulam number.

It is a d-powerful number, because it can be written as 3⁶ + 8⁷ + 5 + 5⁷ + 9² + 6⁸ + 4⁴ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3855961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68829 + ... + 68884.

Almost surely, 2^3855964 is an apocalyptic number.

It is an amenable number.

3855964 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3855964 is a wasteful number, since it uses less digits than its factorization.

3855964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137724 (or 137722 counting only the distinct ones).

The product of its digits is 129600, while the sum is 40.

The square root of 3855964 is about 1963.6608668505. The cubic root of 3855964 is about 156.8114089123.

The spelling of 3855964 in words is "three million, eight hundred fifty-five thousand, nine hundred sixty-four".