3911642 has 16 divisors (see below), whose sum is σ = 6922752. Its totient is φ = 1622160.

The previous prime is 3911627. The next prime is 3911647. The reversal of 3911642 is 2461193.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (3911647) 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, 4073 + ... + 4940.

It is an arithmetic number, because the mean of its divisors is an integer number (432672).

Almost surely, 2^3911642 is an apocalyptic number.

3911642 is a deficient number, since it is larger than the sum of its proper divisors (3011110).

3911642 is a wasteful number, since it uses less digits than its factorization.

3911642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9053.

The product of its digits is 1296, while the sum is 26.

The square root of 3911642 is about 1977.7871472937. The cubic root of 3911642 is about 157.5625618597.

The spelling of 3911642 in words is "three million, nine hundred eleven thousand, six hundred forty-two".