3961718 has 4 divisors (see below), whose sum is σ = 5942580. Its totient is φ = 1980858.

The previous prime is 3961691. The next prime is 3961721. The reversal of 3961718 is 8171693.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 990428 + ... + 990431.

It is an arithmetic number, because the mean of its divisors is an integer number (1485645).

Almost surely, 2^3961718 is an apocalyptic number.

3961718 is a deficient number, since it is larger than the sum of its proper divisors (1980862).

3961718 is a wasteful number, since it uses less digits than its factorization.

3961718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980861.

The product of its digits is 9072, while the sum is 35.

The square root of 3961718 is about 1990.4064911470. The cubic root of 3961718 is about 158.2320736357.

The spelling of 3961718 in words is "three million, nine hundred sixty-one thousand, seven hundred eighteen".