3936427 has 8 divisors (see below), whose sum is σ = 4481280. Its totient is φ = 3422760.

The previous prime is 3936353. The next prime is 3936437. The reversal of 3936427 is 7246393.

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

It is a de Polignac number, because none of the positive numbers 2^k-3936427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3936392 and 3936401.

It is not an unprimeable number, because it can be changed into a prime (3936437) 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, 7527 + ... + 8032.

It is an arithmetic number, because the mean of its divisors is an integer number (560160).

Almost surely, 2^3936427 is an apocalyptic number.

3936427 is a deficient number, since it is larger than the sum of its proper divisors (544853).

3936427 is a wasteful number, since it uses less digits than its factorization.

3936427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15593.

The product of its digits is 27216, while the sum is 34.

The square root of 3936427 is about 1984.0430942900. The cubic root of 3936427 is about 157.8946448206.

Subtracting from 3936427 its sum of digits (34), we obtain a palindrome (3936393).

The spelling of 3936427 in words is "three million, nine hundred thirty-six thousand, four hundred twenty-seven".