4160421 has 12 divisors (see below), whose sum is σ = 6066060. Its totient is φ = 2747520.

The previous prime is 4160413. The next prime is 4160423. The reversal of 4160421 is 1240614.

4160421 is a `hidden beast` number, since 41 + 604 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3663396 + 497025 = 1914^2 + 705^2 .

It is not a de Polignac number, because 4160421 - 2³ = 4160413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4160394 and 4160403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4160423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1140 + ... + 3101.

It is an arithmetic number, because the mean of its divisors is an integer number (505505).

Almost surely, 2^4160421 is an apocalyptic number.

It is an amenable number.

4160421 is a deficient number, since it is larger than the sum of its proper divisors (1905639).

4160421 is a wasteful number, since it uses less digits than its factorization.

4160421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4356 (or 4353 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 4160421 is about 2039.7110089422. The cubic root of 4160421 is about 160.8344555629.

The spelling of 4160421 in words is "four million, one hundred sixty thousand, four hundred twenty-one".