3938961 has 8 divisors (see below), whose sum is σ = 5656000. Its totient is φ = 2423952.

The previous prime is 3938941. The next prime is 3938971. The reversal of 3938961 is 1698393.

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

It is not a de Polignac number, because 3938961 - 2⁶ = 3938897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 100999 = 3938961 / (3 + 9 + 3 + 8 + 9 + 6 + 1).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3938941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50461 + ... + 50538.

It is an arithmetic number, because the mean of its divisors is an integer number (707000).

Almost surely, 2^3938961 is an apocalyptic number.

It is an amenable number.

3938961 is a deficient number, since it is larger than the sum of its proper divisors (1717039).

3938961 is a wasteful number, since it uses less digits than its factorization.

3938961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101015.

The product of its digits is 34992, while the sum is 39.

The square root of 3938961 is about 1984.6815865524. The cubic root of 3938961 is about 157.9285181112.

The spelling of 3938961 in words is "three million, nine hundred thirty-eight thousand, nine hundred sixty-one".