3918941 has 6 divisors (see below), whose sum is σ = 4243770. Its totient is φ = 3617328.

The previous prime is 3918923. The next prime is 3918949. The reversal of 3918941 is 1498193.

It can be written as a sum of positive squares in 3 ways, for example, as 2500 + 3916441 = 50^2 + 1979^2 .

It is not a de Polignac number, because 3918941 - 2¹⁴ = 3902557 is a prime.

It is a super-2 number, since 2×3918941² = 30716197122962, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3918949) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11426 + ... + 11763.

It is an arithmetic number, because the mean of its divisors is an integer number (707295).

Almost surely, 2^3918941 is an apocalyptic number.

It is an amenable number.

3918941 is a deficient number, since it is larger than the sum of its proper divisors (324829).

3918941 is a wasteful number, since it uses less digits than its factorization.

3918941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23215 (or 23202 counting only the distinct ones).

The product of its digits is 7776, while the sum is 35.

The square root of 3918941 is about 1979.6315313714. The cubic root of 3918941 is about 157.6605032154.

The spelling of 3918941 in words is "three million, nine hundred eighteen thousand, nine hundred forty-one".