3917968 has 10 divisors (see below), whose sum is σ = 7591094. Its totient is φ = 1958976.

The previous prime is 3917923. The next prime is 3917989. The reversal of 3917968 is 8697193.

It can be written as a sum of positive squares in only one way, i.e., 3873024 + 44944 = 1968^2 + 212^2 .

It is a plaindrome in base 11.

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, 122421 + ... + 122452.

Almost surely, 2^3917968 is an apocalyptic number.

It is an amenable number.

3917968 is a deficient number, since it is larger than the sum of its proper divisors (3673126).

3917968 is a wasteful number, since it uses less digits than its factorization.

3917968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244881 (or 244875 counting only the distinct ones).

The product of its digits is 81648, while the sum is 43.

The square root of 3917968 is about 1979.3857633114. The cubic root of 3917968 is about 157.6474540807.

The spelling of 3917968 in words is "three million, nine hundred seventeen thousand, nine hundred sixty-eight".