3888961 has 4 divisors (see below), whose sum is σ = 3892912. Its totient is φ = 3885012.

The previous prime is 3888931. The next prime is 3888967. The reversal of 3888961 is 1698883.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3888961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3888967) 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, 826 + ... + 2908.

It is an arithmetic number, because the mean of its divisors is an integer number (973228).

Almost surely, 2^3888961 is an apocalyptic number.

It is an amenable number.

3888961 is a deficient number, since it is larger than the sum of its proper divisors (3951).

3888961 is a wasteful number, since it uses less digits than its factorization.

3888961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3950.

The product of its digits is 82944, while the sum is 43.

The square root of 3888961 is about 1972.0448777855. The cubic root of 3888961 is about 157.2574379993.

The spelling of 3888961 in words is "three million, eight hundred eighty-eight thousand, nine hundred sixty-one".