3716421 has 8 divisors (see below), whose sum is σ = 5246784. Its totient is φ = 2331840.

The previous prime is 3716393. The next prime is 3716429. The reversal of 3716421 is 1246173.

3716421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3716421 - 2⁹ = 3715909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3716391 and 3716400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3716429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36385 + ... + 36486.

It is an arithmetic number, because the mean of its divisors is an integer number (655848).

Almost surely, 2^3716421 is an apocalyptic number.

It is an amenable number.

3716421 is a deficient number, since it is larger than the sum of its proper divisors (1530363).

3716421 is a wasteful number, since it uses less digits than its factorization.

3716421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72891.

The product of its digits is 1008, while the sum is 24.

The square root of 3716421 is about 1927.8021164010. The cubic root of 3716421 is about 154.8965108700.

The spelling of 3716421 in words is "three million, seven hundred sixteen thousand, four hundred twenty-one".